Best Gallbladder cancer oncologists: TOP 154 doctors

Dr. Rosen is a specialized abdominal surgeon with expertise in endocrine, gastrointestinal, liver, colon, and appendectomy surgery. He is also experienced in treatments such as anal fissure, gallbladder, gastric anastomosis, and sleeve gastrectomy surgery. He is a member of various medical councils and serves as President of the European Society of Surgery. He is also a professor of surgery at the Vienna Medical School.

Oncologist, Oncohematologist, Surgeon

Head physician of Oncology and Hematology Center

Prof. Elke Jaeger is one of the best German doctors according to Focus rating.

Prof. Moshe Inbar is an Israeli oncologist and the Head of Department of Oncology at Sourasky (Ichilov) Medical Center, specializing in breast cancer, cancer of the uterus and ovaries, urogenital cancer in female and male, and gastro-intestinal cancer. He is a Clinical Associate Professor in Tel Aviv University, holds numerous awards and is a member of various research organizations.

Associate Professor Dr. Yusuf AÇIKGÖZ
Specialization: Medical Oncology

Education:

• 2004-2011: İnönü University Faculty of Medicine
• 2011-2016: Ankara Numune Training and Research Hospital, Internal Medicine
• 2017-2022: Health Sciences University, Medical Oncology

Professional Experience:

• 2016-2017: Bingöl City Hospital, Internal Medicine
• 2021-2022: Health Sciences University, Medical Oncology
• 2022-2023: Kastamonu Education and Research Hospital, Medical Oncology
• 2023-2024: Ohio State University, Medical Oncology
• 2024-Present: Lokman Hekim University, Medical Oncology, Ankara Hospital

Clinical Trials, Courses, Certifications:

Clinical Trials:

• 2017-2021: Phase III, CheckMate-649 Study (Assistant Investigator)
• 2022-Present: Phase III, Fortitude-101 Study (Assistant Investigator)

Courses:

• 2018: Medicres Basic and Advanced Biostatistics Training Program (ongoing), Istanbul-Vienna
• 2019: Immuno-Oncology Education Course, March 1-2, 2019, Vienna, Central European Cooperative Oncology Group (CECOG)
• 2018: Good Clinical Practice Certification, April 7-8, 2018, Ankara, Health Sciences University
• 2017: Basic Oncology Training Program, November 25-26, 2017, Adana, Clinical Oncology Society
• 2016: Basic Ultrasonography Course (10 hours theoretical + 10 hours practical), September 24-25, 2016, Ankara, Turkish Emergency Medicine Association

Certifications:

• Ongoing: ECFMG Certification
• 2024: CITI Responsible Conduct of Research (The Ohio State University)
• 2024: CITI IACUC-Laboratory Animal Research (The Ohio State University)
• 2024: CITI Human Subjects Protection (The Ohio State University)
• 2024: CITI Good Clinical Practice (The Ohio State University)
• 2023: Occupational English Test (OET)
• 2019: International English Language Testing System (IELTS), Total Score: 6.5, May 26, 2019, Ankara, British Council
• 2017: USMLE Step 2 CK Exam; Score: 244, February 7, 2017
• 2016: USMLE Step 1 Exam; Score: 215, August 25, 2016

Memberships:

• American Society of Clinical Oncology (ASCO) - 2022
• Turkish Society of Medical Oncology - 2020

Experience

2021 - 2022

Clinical Manager of Radiation Oncology, Medicana International Istanbul Hospital

2021 - 2022

Department of Radiation Oncology, Biruni University Faculty of Medicine

2020 - 2021

Clinical Manager of Radiation Oncology, Medicana International Istanbul Hospital

2017 - 2020

Clinical Manager of Radiation Oncology, Neolife Medical Center

2016 - 2017

Department of Radiation Oncology, Eskişehir Osmangazi University Faculty of Medicine

2011 - 2016

Department of Radiation Oncology, Eskişehir Osmangazi University Faculty of Medicine

2010 - 2011

Department of Radiation Oncology, Eskişehir Osmangazi University Faculty of Medicine

2008 - 2010

Radiation Oncology Clinic, Samsun Training and Research Hospital (Education Coordinator)

2006

Medical Faculty, Dokuz Eylül University

2006 - 2008

Radiation Oncology Clinic, Samsun Mehmet Aydın State Hospital (Compulsory Service)

2000 - 2006

Medical Faculty, Dokuz Eylül University

Education

2022

Biruni University Faculty of Medicine, Department of Radiation Oncology, Faculty Member, Professor Doctor

2022

Anadolu University Open Education Faculty Undergraduate Program, Cultural Heritage and Tourism

2021

Feyziye Schools Foundation Işık University Health Services Vocational School, Faculty Member, Associate Professor Doctor

2017

Eskişehir Osmangazi University Faculty of Medicine, Department of Radiation Oncology, Faculty Member

2017

Eskişehir Osmangazi University Faculty of Medicine, Department of Radiation Oncology, Associate Professor Doctor

2006

Samsun Training and Research Hospital, Specialist Doctor, Compulsory Service

2006

Dokuz Eylül University Faculty of Medicine, Department of Radiation Oncology, Medical Specialization

1998

Ege University, Faculty of Medicine

Dr. Auala Hubert is a board-certified Medical Oncologist & Radiotherapist with 33 years of experience, speaking both English and Hebrew. She is a member of several medical and social service committees and holds qualifications in Oncology and Radiotherapy.

PROFESSIONAL EXPERIENCE

2011-2012
Erzurum Koprukoyu State Hospital
Department: General Medicine

2012-2017
Istanbul University Cerrahpaşa Medical Faculty
Department: Internal Medicine

06/2017-10/2017
Istanbul Gaziosmanpasa Taksim Training and Research Hospital
Department: Internal Medicine

10/2017-11/2018
Istanbul University Istanbul Medical Faculty
Department: Allergy and Immunology Fellowship

2018/2022
Istanbul University Oncology Institute
Department: Medical Oncology Fellowship

2022-2023
Tekirdag City Hospital
Department: Medical Oncology Specialist

2023-present
Istanbul Medipol University Medipol Bahcelievler Private Hospital
Department: Medical Oncology Assoc. Prof.

EDUCATION

2005-2011
Medical Education
Sivas Cumhuriyet University Medical Faculty, Sivas, Turkey

2012-2017
Internal Medicine
Istanbul University Cerrahpaşa Medical Faculty, Department of Internal Medicine, Istanbul, Turkey

2017-2018
Allergy-Immunology Fellowship
Istanbul University Istanbul Medical Faculty
Department of Internal Medicine, Division of Allergy and Immunology, Istanbul, Turkey

2018-2022
Medical Oncology Fellowship
Istanbul University Oncology Institute, Department of Medical Oncology, Istanbul, Turkey

2022
ESMO Board Certification in Medical Oncology
10th September 2022 in Paris, France.

2023
Medical Oncology Assoc. Prof.
Istanbul Medipol University Department of Medical Oncology, Istanbul, Turkey

INTERNATIONAL CLINICAL TRIALS:

1. Astefania - ROCHE

• Title: A Study Evaluating the Efficacy and Safety of Adjuvant Atezolizumab or Placebo and Trastuzumab Emtansine for Participants With HER2-Positive Breast Cancer at High Risk of Recurrence Following Preoperative Therapy
• Role: Subinvestigator

2. PFİZER

• Title: A Study Of Lorlatinib Versus Crizotinib In First-Line Treatment Of Patients With ALK-Positive NSCLC
• Role: Subinvestigator

3. RECITE - AMGEN

• Title: Study of Romiplostim for Chemotherapy-induced Thrombocytopenia in Adult Subjects With Gastrointestinal, Pancreatic, or Colorectal Cancer
• Role: Subinvestigator

4. NAVIGATE - BAYER

• Title: A Study to Test the Effect of the Drug Larotrectinib in Adults and Children With NTRK-fusion Positive Solid Tumors
• Role: Subinvestigator

5. RUBY - Tesaro (PRA)

• Title: A Phase 3, Randomized, Double-blind, Multicenter Study of Dostarlimab (TSR-042) Plus Carboplatin-paclitaxel Versus Placebo Plus Carboplatin-paclitaxel in Patients With Recurrent or Primary Advanced Endometrial Cancer
• Role: Subinvestigator

6. ENGOT-ov43/GOG-3036 - MSD

• Title: Study of Chemotherapy With Pembrolizumab (MK-3475) Followed by Maintenance With Olaparib (MK-7339) for the First-Line Treatment of Women With BRCA Non-mutated Advanced Epithelial Ovarian Cancer (EOC) (MK-7339-001/KEYLYNK001/ENGOT-ov43/GOG-3036)
• Role: Subinvestigator

7. ASTRA ZENECA

• Title: To Study Clinical Effectiveness and Safety of Olaparib Monotherapy in Metastatic Breast Cancer Patients.
• Role: Subinvestigator

8. ROSY-O - ASTRA ZENECA

• Title: Roll Over StudY for Patients Who Have Completed a Previous Oncology Study With Olaparib
• Role: Subinvestigator
•  

INTERNATIONAL PUBLICATIONS

I. Published journal articles indexed by SCI, SSCI, and AHCI

Weekly Paclitaxel in Classic Kaposi Sarcoma

• Authors: Paksoy, N., Khanmammadov, N., Doğan, İ., Ferhatoğlu, F., Ahmed, M. A., Karaman, S., & Aydiner, A.
• Journal: Medicine, 102(5)

Carboplatin Desensitization in Ovarian Carcinoma

• Authors: Paksoy, N., Khanmammadov, N., Doğan, İ., Ferhatoğlu, F., Yildiz, A., Ak, N., & Aydiner, A.
• Journal: Medicine, 101(45), e31726

High-Dose Chemotherapy for Ewing’s Sarcoma

• Authors: Paksoy, N., Ferhatoglu, F., Dogan, İ., Khanmammadov, N., Celik, A. I., Gulbas, Z., & Başaran, M.
• Journal: Medicine, 101(49), e32213

Multidrug Refractory TFE3(+) Renal Cell Carcinoma

• Authors: Paksoy, Nail, et al.
• Journal: Journal of Oncology Pharmacy Practice, 2022, 28.1: 215-221

Crizotinib Efficacy in NSCLC with MET Alterations

• Authors: Gürbüz, M., Kiliçkap, S., Bilici, A., Karadurmuş, N., Sezer, A., Şendur, M. A. N., ... & Demirkazik, A.
• Journal: Medicine, 101(50), e32368

Clinicopathological Features in ALK Mutant NSCLC

• Authors: Dogan, I., Gurbuz, M., Paksoy, N., Ferhatoglu, F., Vatansever, S., Saip, P., ... & Aydiner, A.
• Journal: Medicine, 101(34)

PSMA-Based Tumor Burden in Prostate Cancer

• Authors: HAS SIMSEK, Duygu, et al.
• Journal: Annals of Nuclear Medicine, 2021, 35.6: 680-690

Atezolizumab in Metastatic Urothelial Carcinoma

• Authors: TURAL, Deniz, et al.
• Journal: European Urology Focus, 2021, 7.5: 1061-1066

Pulmonary Sarcomatoid Carcinoma

• Authors: FERHATOGLU, Ferhat, et al.
• Journal: Oncology Research and Treatment, 2021, 44.11: 590-601

Prognostic Factors in Atezolizumab-Treated Urothelial Carcinoma

• Authors: TURAL, Deniz, et al.
• Journal: International Journal of Clinical Oncology, 2021, 26.8: 1506-1513

Atezolizumab with Chemotherapy in Small Cell Lung Cancer

• Authors: GÜRBÜZ, Mustafa, et al.
• Journal: Journal of Cancer Research and Clinical Oncology, 2022, 1-9

FOLFIRINOX vs. Gemcitabine + Nab-Paclitaxel in Pancreatic Cancer

• Authors: AY, Seval, et al.
• Journal: Journal of Chemotherapy, 2022, 1-7

Trastuzumab Emtansine in Older HER2-Positive Breast Cancer Patients

• Authors: CIL, Ibrahim, et al.
• Journal: Tumori Journal, 2022, 108.1: 19-25

Real-Life Efficacy of Osimertinib in Advanced NSCLC

• Authors: HIZAL, Mutlu, et al.
• Journal: Journal of Cancer Research and Clinical Oncology, 2022, 148.6: 1501-1508

ALK-Positive Cells Percentage and Alectinib Efficacy

• Authors: Hizal, M., Bilgin, B., Paksoy, N., Atcı, M. M., Kahraman, S., Kılıçkap, S., ... & Şendur, M. A. N.
• Journal: Journal of Cancer Research and Clinical Oncology, 149(8), 4141-4148

Real-World Data on Alectinib in ALK-Positive NSCLC

• Authors: Hizal, M., Bilgin, B., Paksoy, N., Kılıçkap, S., Atcı, M. M., Kahraman, S., ... & Şendur, M. A. N.
• Journal: Future Oncology, 18(23), 2573-2582

Prognostic Factors in Metastatic RCC with T790M Mutation

• Authors: Dogan, I., Iribas, A., Paksoy, N., Vatansever, S., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

FLOT Regimen in Metastatic Gastric Cancer

• Authors: Tastekin, D., Paksoy, N., Dogan, I., Ferhatoglu, F., Khanmammadov, N., Bozbey, H. U., & Karabulut, S.
• Journal: Journal of Cancer Research and Therapeutics

Desensitization Protocol in Lenalidomide Hypersensitivity Reactions

• Authors: DEMIR, Semra, et al.
• Journal: Annals of Allergy, Asthma & Immunology, 2019, 123.4: 394-397

Factors Associated with Diagnostic Skin Test Positivity in PPI Hypersensitivity

• Authors: ÖZDEMIR, Seçil Kepil, et al.
• Journal: Allergy, 2019, 74.6: 1187-1190

Efficacy of Capecitabine and Temozolomide in Neuroendocrine Tumors

• Authors: Ünal, Ç., Azizy, A., Karabulut, S., Taştekin, D., Akyıldız, A., Yaşar, S., ... & Sağlam, S.
• Journal: The Oncologist, oyad257

Subsequent Treatments in Hormone-Positive Breast Cancer Progression

• Authors: Karacin, C., Oksuzoglu, B., Demirci, A., Keskinkılıç, M., Baytemür, N. K., Yılmaz, F., ... & Hacıbekiroğlu, İ.
• Journal: BMC cancer, 23(1), 192

Termination of Trastuzumab in HER2-Positive Metastatic Breast Cancer

• Authors: Dogan, I., Aydin, E., Khanmammadov, N., Paksoy, N., Saip, P., & Aydiner, A.
• Journal: Scientific Reports, 13(1), 8779

Long-term Outcomes and Predictors of Recurrence in Node-Negative Early Stage Breast Cancer

• Authors: Dogan, I., Aydin, E., Khanmammadov, N., Paksoy, N., Ferhatoğlu, F., Ak, N., ... & Aydiner, A.
• Journal: Journal of Cancer Research and Clinical Oncology, 1-9

Prognostic Factors Influencing PFS in HER2-Positive Metastatic Breast Cancer

• Authors: Doğan, İ., Paksoy, N., Ak, N., Vatansever, S., Saip, P., & Aydıner, A.
• Journal: European Journal of Breast Health, 19(2), 128

Treatment Efficacy of Ribociclib or Palbociclib plus Letrozole in Metastatic Breast Cancer

• Authors: Kahraman, S., Erul, E., Seyyar, M., Gumusay, O., Bayram, E., Demirel, B. C., ... & Nahit Sendur, M. A.
• Journal: Future Oncology, 19(10), 727-736

Efficacy and Safety of Sorafenib in Adult Metastatic Osteosarcoma Patients

• Authors: Dogan, I., Paksoy, N., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

Single-Agent Temozolomide as Salvage Therapy in Heavily Pretreated Metastatic Sarcoma Patients

• Authors: Dogan, I., Paksoy, N., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

Outcomes and Prognostic Factors in Metastatic Renal Cell Carcinoma with Brain Metastases

• Authors: Dogan, I., Iribas, A., Paksoy, N., Vatansever, S., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

FLOT Regimen in First-Line Treatment of Metastatic Gastric Cancer

• Authors: Tastekin, D., Paksoy, N., Dogan, I., Ferhatoglu, F., Khanmammadov, N., Bozbey, H. U., & Karabulut, S.
• Journal: Journal of Cancer Research and Therapeutics

Prognostic Factors of Perioperative FLOT Regimen in Operable Gastric Cancer

• Authors: Erol, C., Sakin, A., Basoglu, T., Ozden, E., Cabuk, D., Dogan, M., ... & Sendur, M. A. N.
• Journal: [Not specified]

Efficacy and Outcomes of Systemic Chemotherapy in Posttransplant Kaposi Sarcoma

• Authors: Khanmammadov, N., Paksoy, N., Doğan, I., Ferhatoğlu, F., Saip, P., & Aydiner, A.
• Journal: Medicine, 102(39), e35383

Comparison of Second-Line Treatments in Metastatic Renal Cell Carcinoma

• Authors: Pehlivan, M., Paksoy, N., Aydin, E., Basaran, M., & Ekenel, M.
• Journal: Medicine, 102(41), e35245

Toxicity Management and Effectiveness of Regorafenib in Advance GIST Patients: A Real-world Study - Authors: Paksoy, N., Ferhatoğlu, F., Doğan, İ., Khanmammadov, N., Bozbey, H. U., Karabulut, S., & Taştekin, D. - Journal: TURKISH JOURNAL OF ONCOLOGY, 1(1)

Demographic and Clinical Features and Factors Associated with Survival in Patients with Primary Glomerulonephritis: Single Tertiary Center Experience - Authors: Paksoy, N., Trabulus, S., Seyahi, N., & Altiparmak, M. R. - Journal: Namik Kemal Tip Dergisi, 11(1)

Efficacy of Sorafenib in Symptomatic Patients with Pretreated Progressive Desmoid Tumors - Authors: Paksoy, N., Ferhatoglu, F., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M.

Nodal Response to Neoadjuvant Chemotherapy is a Better Predictive Factor of Survival Than Miller-Payne Scoring in Breast Cancer - Authors: Ak, Naziye, et al. - Journal: Journal of Oncological Sciences, 7.2: 42-49

Evaluation of Prognostic and Predictive Values of Hemogram Parameters in Patients with Advanced Stage Ovarian Carcinoma - Authors: Ak, Naziye, et al. - Journal: Turkish Journal of Oncology/Türk Onkoloji Dergisi, 2021, 36.4

Identifying Risk Factors Associated with Survival and Drug-Related Toxicities in Imatinib-Resistant Gastrointestinal Stromal Tumor (GIST) Patients Treated with Sunitinib - Authors: Ferhatoglu, F., Karabulut, S., Paksoy, N., & Tastekin, D.

Real-life Outcomes of ROS1 Fusion-positive Metastatic Lung Cancer Patients who were Treated with Crizotinib - Authors: Dogan, İ., Khanmammadov, N., Paksoy, N., Ferhatoglu, F., Aydın, E., Vatansever, S., & Aydine, A. - Journal: TURK ONKOLOJI DERGISI-TURKISH JOURNAL OF ONCOLOGY

Predictors of the acquisition of T790M mutation in EGFR-mutant metastatic lung cancer patients who were treated with EGFR inhibitors - Authors: Dogan, I., Khanmammadov, N., Paksoy, N., Vatansever, S., Saip, P., & Aydıner, A. - Journal: Eurasian Journal of Pulmonology

Laterality of Adrenal Gland Metastasis in Lung Cancer: Results of a Comparative Study - Authors: Ferhatoglu, F., Gagatay, T., Okumus, G., Aydiner, A., Paksoy, N., Ak, N., ... & Saip, P. - Journal: Eurasian Journal of Medical Investigation, 7(2)

Poor Risk Factors Affecting Cancer Patients Infected with Covid-19: A Retrospective Comparative Study from a Pandemic Hospital - Authors: Ferhatoglu, F., Kapağan, T., Paksoy, N., Ak, N., Medetalibeyoğlu, A., Şenkal, N., ... & Vatansever, S. - Journal: Turk Onkoloji Dergisi, 38(1)

Systemic Treatment Outcomes of Progressive Medullary Thyroid Carcinoma from the Registries of a Tertiary Cancer Center - Authors: Ferhatoglu, F., Paksoy, N., & Başaran, M. - Journal: Namik Kemal Tip Dergisi, 10(4)

Evaluation of clinical features and risk factors related to late recurrence (> 5 years) in patients with breast cancer - Authors: Ferhatoglu, F., Aydiner, A., & Paksoy, N. - Journal: Journal of Surgery & Medicine (JOSAM), 6(12)

Assessing the Clinical Impact of Lutetium-177 DOTATATE Peptide Receptor Radionuclide Therapy (PRRT) on Metastatic Neuroendocrine Tumors: A Multicenter Real-World Data from Türkiye

Thesis:

Istanbul University Cerrahpaşa Medical Faculty, Internal Medicine Department PAKSOY, Nail. Demographical, clinical characteristics and survival factors in patients withprimary glomerulonephritis: Cerrahpasa Medical Faculty Experience. (2016)

International Refereed Congress / Symposium Publications in Proceedings (ASCO/ESMO Abstracts)

Prognostic factors influencing progression-free survival in HER2 positive metastatic breast cancer patients who treated with lapatinib and capecitabine combination

• Authors: Dogan, I., Paksoy, N., Ak, N., Vatansever, S., Saip, P., & Aydiner, A. (2022)

Efficacy of regorafenib and 5-fluorouracil-based rechallenge treatment in the third-line treatment of metastatic colorectal cancer: A Turkish oncology group study

• Authors: Şenocak Taşçi, E., Oyan, B., Sonmez, O., Mutlu, A. U., Atcı, M. M., Oner, I., ... & Gulmez, A. (2022)

Long-term outcomes and predictors of recurrence in patients with early-stage node-negative breast cancer

• Authors: Dogan, I., Aydin, E., Paksoy, N., Ferhatoglu, F., Ak, N., Ibis, K., ... & Aydiner, A. (2021)

Efficacy of temozolomide in pretreated patients with metastatic sarcoma

• Authors: Paksoy, N., Dogan, I., Ekenel, M., & Basaran, M. (2021)

Efficacy of sorafenib in symptomatic patients with pretreated progressive desmoid tumors

• Authors: Ferhatoglu, F., Paksoy, N., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M. (2021)

Efficacy of sorafenib in heavily pretreated adult patients with metastatic osteosarcoma

• Authors: Paksoy, N., Dogan, I., Ekenel, M., & Basaran, M. (2021)

Outcomes and prognostic factors in metastatic renal cell carcinoma patients with brain metastases

• Authors: Dogan, İ., Iribas, A., Paksoy, N., Ekenel, M., Vatansever, S., & Basaran, M. (2021)

Association of response to first-line chemotherapy with the efficacy of atezolizumab in patients with metastatic urothelial carcinoma

• Authors: Tural, D., Olmez, O. F., Sümbül, A. T., Artac, M., Ozhan, N., Akar, E., ... & Erman, M. (2021)

Safety and survival in adult women with platinum-sensitive relapsed BRCA mutant ovarian cancer: A study of patients in Olaparib Turkey Early Access Program—LynTurk study

• Authors: Esin, E., Ahmed, M. A., Yıldırım, H. Ç., Mandel, N. M., Erdemoglu, E., Sari, M., ... & Paydas, S. (2023)

Atezolizumab in patients with metastatic urothelial carcinoma who have progressed after first-line chemotherapy: Results of real-life experiences

• Authors: Tural, D., Ölmez, Ö. F., Sümbül, A. T., Artaç, M., Özhan, N., Akar, E., ... & Kılıçkap, S. (2021)

Specializations

Cancer Surgery

Pancreatic Surgery

Bile Duct Surgery

Bariatric Metabolic Surgery

Oncological Surgery

Breast Surgery

Gastric cancer

Colon cancer

Thyroid Cancer

Obesity Surgery

Diabetes Surgeries

Education

Ondokuz Mayıs University Faculty of Medicine (1991)

KTÜ Faculty of Medicine Farabi Hospital (Specialization.1998)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Surgery Training, 2002)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Antireflux Surgery Training, 2006)

Istanbul University Cerrahpaşa Faculty of Medicine (General Surgery Clinic Advance Laparoscopic Surgery, Laparoscopic Bariatric Surgery, Morbid Obesity and Oncological Cancer Surgery Training, 2010i)

Experienced surgeon with expertise in the fields of Peritoneal Oncology, Melanoma and Sarcoma Surgery, Laparoscopic and Robotic Surgery, and Hepato-Biliary and Pancreatic Surgery. Speaker at National and International Congresses on Surgical Treatment of Advanced Abdominal and Pelvic Cancers, author and co-author of scientific publications of national and international importance, and investigator of clinical trials of oncological surgery of national and international importance. Member of national and international scientific communities.

One of the best cancer specialists in Europe, educator, and cancer researcher, President of the Central European Cooperative Oncology Group (CECOG).
Has published over 600 scientific papers on cancer treatment.

Dr. Leng Yin is an experienced oncologist, specializing in liver, gallbladder, stomach, pancreas, intestinal tracts and breast treatments. She has worked in Fuda Hospital, Bumrungrad International Hospital and Royal Siriraj Hospital and is a member of The Chinese Anti-Cancer Association.

Univ.-Prof. Dr. Wolfgang Johannes Köstler is a board-certified specialist for Internal Medicine, Hematology/Oncology, and Intensive Care Medicine who specializes in hematology & internal oncology, intensive care medicine. He is one of the top-rated breast cancer and sarcoma oncologist specialists and has extensive experience in the field and has received degrees from the Medical University of Vienna and the Weizmann Institute of Science. He has also had special training at Memorial Sloan-Kettering Cancer Center and Royal Prince Alfred Hospital.

NUTRITION AND DIET SPECIALIST 

Ezgi Sevic graduated from Hacettepe University, Department of Nutrition and Dietetic as Honor Student. During her education, she conducted studies on “'The Effect of Hedonic Eating Behavior on Obesity', 'Total Parenteral Nutrition in Children' and 'The Relationship Between Resistance and Obesity'.” During her education, she took part in the field in studies on determining the nutritional status of the society. She worked as intern dietitian in Hospitals of Hacettepe University (Oncology Hospital, Adults Hospital, İhsan Doğramacı Child Hospital), Dışkapı Yıldırım Beyazıt Training and Research Hospital and many Community Health Centres. 
She worked in Izmir Private Ekol Hospital. She successfully completed the 'Bariatric Nutrition Course' and the 'Innovations in Obesity Course'. She has participated in many training and seminar programs in her field. 

Interests: Post- Metabolic and Bariatric Surgery Nutrition, the Nutrition in Chronicle Diseases, Nutrition in Individuals with Diabetes, Nutrition in Cancer, Nutrition in Congenital Metabolic Diseases, Food Intolerances, Body Weight Control, Child and Adolescent Nutrition, Nutrition in Old Age, Nutrition in Pregnancy and Lactation.

Dietit. Ezgi Sevic knows advanced English. 

Licensed Radiation Oncologist with 8 years of medical training, including undergraduate studies at Marmara University Faculty of Medicine (2004-2011) and Radiation Oncology specialization training at Marmara University Faculty of Medicine (2012-2016). Previous education from Sixteen Numbered Shirvan School (Azerbaijan) High School (1998-2004).