Best Stomach cancer surgery oncologists in Turkey: TOP 45 doctors

Assoc. Prof. Kıvanç Derya Peker is a surgeon with expertise in pancreatic, gallbladder, liver, and stomach surgeries. He also specializes in obesity and metabolic surgery, as well as kidney transplantation. He completed his medical and surgical training at Istanbul University. He ranked among the top three in the national minor specialty exam for gastroenterological surgery.

Dr. Peker has performed over 400 pancreatic and gastric cancer surgeries and more than 200 liver surgeries. He has also completed many gallbladder, biliary tract, obesity-metabolic procedures, and kidney transplants. He received training at the Mayo Clinic. He co-founded the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Hospital. There, he provided advanced training to surgical residents.

He is known for his research in aging and treatments. Dr. Peker has established gastroenterology surgery clinics at major hospitals. He is accredited by the Turkish HPB Association and has received a scholarship from the Turkish Surgery Association.

Medical Interests and Activities 

Gastrointestinal diseases 

Oncologic laparoscopic surgery 

Anorectal area diseases 

Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis) 

Colon and rectum cancer 

Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. 

Laparoscopic hernia surgery 

Esophagus and stomach cancer 

Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)

Education and Experience 

İstanbul University Medical Faculty 1988 

University of Colorado Health Science Center – Intern Surgeon 

Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) 

İstanbul Surgery Hospital – American Hospital (2000-2001) 

Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) 

World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012) 

USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007) 

Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014) 

Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011) 

Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor) 

Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017) 

Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017) 

İstanbul University Medical Faculty – General Surgery Master of Science 1996 

University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007

Liv Hospital

Memberships 

Turkish Society of Surgery 

National Endoscopic Laparoscopic Surgery Association 

Turkish Colon and Rectum Surgery Association 

National Trauma and Emergency Surgery Association 

Hepato-Pancreato-Bilier Surgery Association 

Istanbul Surgical Association 

Flebology Association 

ESTES (European Society of Trauma and Emergency Surgery) 

International Society of Surgery (ISS)

Dr. Mustafa Solak is a medical oncologist with expertise in breast, testicular, ovarian, lung, head-neck, and gastrointestinal cancers. He graduated from Hacettepe University School of Medicine. He completed his residency at Istanbul Sisli Etfal Teaching and Research Hospital. He then pursued a fellowship at Hacettepe University Cancer Institute.

Dr. Solak has managed many complex cancer cases. He has contributed to clinical advancements at respected centers, including the University of Texas MD Anderson Cancer Center. He has also worked at Hitit University Corum Training Hospital and Medical Park Hospital. His experience shows a strong commitment to cancer care and research.

Education and Career

2011 – 2015, (Internal Medicine Specialist) Istanbul University Istanbul School of Education and Career

Medicine Department of Internal Medicine

2015 – 2016, (Internal Medicine) Specialist Istanbul Haydarpasa Numune Training and Research Hospital

2016 – 2019, (Medical Oncology) Istanbul University Istanbul School of Medicine Department of Medical Oncology

2019 – 2021, (Medical Oncology Specialist) - Istanbul Haydarpasa Numune Training and Research Hospital

2021 – 2024, (Associate Professor) Marmara University School of Medicine Department of Medical Oncology

Memberships in Scientific Organizations

ASCO

ESMO

TTOD 

AVOD 

Publications

In the field of oncology, he has published over 30 peer-reviewed articles at both international and national levels.

Awards Received

EAACI The European Academy of Allergy and Clinical Immunology 2019 Best Poster Award

"The top 3rd verbal presentation, IGICC (11th International Gastrointestinal Cancers Conference – IGICC2021)"

Speeches Delivered at National Congresses, Conferences, and Symposia:

Courses, Meetings, and Certificates

ESMO certified Medical Oncologist since 2019

Education and Specialization

• 2006: Kocaeli University Faculty of Medicine
• 2014: Akdeniz University Faculty of Medicine, Internal Medicine
• 2018: Akdeniz University Faculty of Medicine, Medical Oncology

Experience

• 2006 - 2008: Konya Derebucak District Hospital
• 2009 - 2015: Akdeniz University Hospital
• 2015: Antalya Kaş State Hospital
• 2015 - 2016: İnönü University Faculty of Medicine
• 2016 - 2021: Akdeniz University Hospital
• 2021 - 2023: Antalya Training and Research Hospital

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 Sy (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

Education & Specialization

• 1994 to 2000 – Çukurova University Faculty of Medicine
• 2002 to 2006 – Dicle University Faculty of Medicine, Medical Specialization in General Surgery
• 2008 to 2010 – İstanbul Koşuyolu High Specialization Hospital, Gastroenterology Surgery Sub-Specialization

Work Experience

• Çukurova University Faculty of Medicine
• Dicle University Faculty of Medicine – Medical Specialization in General Surgery
• Kahta State Hospital – General Surgery Specialist
• İstanbul Koşuyolu High Specialization Hospital – Gastroenterology Surgery Sub-Specialist
• Çanakkale 18 Mart University, Department of General Surgery Faculty Member

Professional Memberships

• -Turkish Surgical Association
• -Gastroenterology Surgery Association

Scientific Publications

Scientific Publications

L-Carnitine has a protective effect on the colonic mucosa during abdominopelvic radiotherapy in rats – Acta Cirúrgica Brasileira

Preoperative local staging of colorectal cancer patients with MDCT – Hepato-gastroenterology

The effect of amifostine on bacterial translocation after radiation-induced acute enteritis – Acta Cirúrgica Brasileira

I Effects of Pantoprazole on Contractile Tone and Contraction Frequency of Rat Pyloric Sphincter – Latin American Journal of Pharmacy

Endovascular treatment of delayed hemorrhage developing after pancreaticoduodenectomy – Wiener Klinische Wochenschrift

Perianal Giant Condyloma Acuminatum (Buschke‐Löwenstein Tumor): A Case Report – Case Reports in Surgery

Management of flap dehiscence after Limberg procedure for recurrent pilonidal disease using NPWT – ABCD Arquivos Brasileiros de Cirurgia Digestiva

Isolated omental panniculitis: Two case reports and review of literature – European Journal of General Medicine

The Effect of Endobag Usage on Port Site Infection During Laparoscopic Cholecystectomy

Benign pneumoperitoneum after diagnostic colonoscopy: Case Report – Turkish Journal of Colorectal Disease

Dr. Alper Can is a Medical Oncology specialist with broad experience in treating many types of cancer. His expertise covers lung, breast, colorectal, gastric, liver, kidney, pancreatic, stomach, prostate, uterine, and thyroid cancers. He is skilled in chemotherapy, immunotherapy, phytotherapy, ozone therapy, and hyperthermic chemotherapy. Dr. Can focuses on gastrointestinal, gynecological, and genitourinary cancers.

He completed his medical degree at Istanbul University. He received advanced oncology training at Katip Çelebi University. Dr. Can has worked as Assistant and Associate Professor at Yüzüncü Yıl University. He is a member of several oncology societies, including ESMO, ESGO, and IASLC. He also holds accreditation from the International Association for the Study of Lung Cancer.

Dr. Nedret Taflan Salepci is a Medical Oncologist with over 30 years of clinical experience. She completed her medical degree and specialized in Internal Medicine and Medical Oncology at Istanbul University, a leading medical school in Turkey.

Dr. Salepci has worked at Kartal Training and Research Hospital as a Medical Oncology Specialist. She also served as Assistant Chief of the Internal Diseases Clinic. In 2010, she became an Associate Professor. She has also provided oncology care at Universal Italian Giovanni Alberto Angelli Hospital.

She is a member of the Medical Oncology Association, Lung Cancers Association (AKAD), ESMO, ASCO, and the Istanbul Medical Chamber. These memberships show her dedication to professional growth and high standards in cancer care.

Dr. Ersin Öztürk, M.D., is a Professor of Medicine and an expert in General Surgery. His specialties include Surgical Oncology, Gastrointestinal and Laparoscopic Surgery, Obesity Surgery, Hernia Surgery, and Proctology. He holds a Ph.D. in Physiology. Dr. Öztürk completed his residency at Uludağ University and later conducted advanced research at the Cleveland Clinic Foundation in the USA.

He is currently a Professor at Medicana Bursa Hospital. Dr. Öztürk has also served as Assistant and Associate Professor at Uludağ University and as Professor at KTO Karatay University. He is known for his important work in surgical innovation and medical education in Turkey.