Best Stomach cancer doctors in Istanbul: TOP 44 doctors

Dr. Bülent Karagöz has 20+ years focusing on stomach cancer immunotherapy and targeted therapies at Anadolu Medical Center.

• Professor of medical oncology at Istanbul Okan University
• Head of Medical Oncology at GATA Haydarpaşa Training Hospital
• Author of 40+ publications in cancer research
• Specializes in tumor biology and immunology
• Member of the Turkish Medical Oncology Association

Serkan Keskin has performed over 1,100 procedures in medical oncology, specializing in chemotherapy and targeted therapy. He achieved first place on Turkey's Medical Oncology Proficiency Exam.

• 28 years of experience as a respected medical oncologist, focusing on challenging cancer types
• Best Poster Award at the 19th National Cancer Congress in 2011
• Member of the American Society of Clinical Oncology (ASCO) and European Society of Medical Oncology (ESMO)
• Published 42 articles in international journals
• Trained in Medical Oncology Minor Speciality at Istanbul University Institute of Oncology

An academic medical oncologist, Dr. Tanrikulu is actively involved in international clinical trials for new treatments.

• Board-certified specialist in both Internal Medicine and Medical Oncology
• Extensive experience in leadership roles, including as a hospital department head
• Trained at Turkey's leading medical faculties – Ankara, Istanbul, and Marmara Universities
• Ranked third nationally in the medical oncology entrance examination

900+ oncology procedures performed – Dr. Solak specializes in stomach cancer at Hisar Hospital Intercontinental.

• 19 years of experience in oncology
• Trained at Hacettepe University and UT MD Anderson Cancer Center
• Fellowship in gastrointestinal cancers at Hacettepe University Cancer Institute
• Deals with complex cases of breast, lung, and head-neck cancers

Prof. Dr. Suleyman Alici is a highly experienced physician specializing in stomach cancer treatment at Hisar Hospital Intercontinental.

• Recognized by peers and patients for his expertise
• Holds the prestigious title of Professor
• Works at a leading international medical facility

Prof. Kivanc Derya Peker has performed over 400 stomach cancer surgeries and trained at Mayo Clinic's Hepatopancreatobiliary Surgery Clinic.

• 21 years of experience in gastroenterology surgery
• Co-founded the HPB Surgery unit at Dr. Sadi Konuk Hospital
• Specializes in pancreatic, liver, and stomach cancer surgeries
• Holds accreditation from the Turkish HPB Association
• Performed over 900 procedures including kidney transplants

Prof. Hüseyin Baloğlu is a pathology specialist at Anadolu Medical Center in Gebze, Kocaeli, Turkey. He focuses on molecular pathology, surgical pathology, and tumour biopsy and diagnostics.

Education and accreditations: MD, GATA Medical School (1986). Pathology specialty training, GATA (1992). Associate Professor (Doçent), GATA (2004). Visiting scholar at Albert Einstein College of Medicine (New York) and Heidelberg University.

Achievements: author of over 600 peer‑reviewed publications. Holds a patent in molecular diagnostics for thyroid cancer. Leads liquid biopsy and precision oncology services.

Prof. Sezer Sağlam specializes in gastrointestinal oncology with extensive experience at Istanbul University Oncology Institute.

• Professor of Medical Oncology since 2016
• Fellowship-trained at Istanbul University Medical Faculty
• Member of ESMO, ASCO, and Turkish Medical Oncology Association
• Works at Gayrettepe Florence Nightingale Hospital

Dr. Yahya Ozel trained in Hepato-Biliary-Pancreatic Surgery at Tokyo University Hospital under renowned experts M. Makuuchi and N. Kokudo.

• 30+ years of experience in general surgery
• Specializes in minimally invasive and robotic techniques
• Certified in surgical endoscopy with Turkish Surgical Proficiency Certificate
• Academic faculty member at Doğuş University

Assoc. Dr. Abdullah Sakin leads the Medical Oncology Department at Medipol Bahçelievler Hospital, specializing in stomach cancer.

• Head of Medical Oncology at Yüzüncü Yıl University Faculty of Medicine
• Trained in medical oncology at İstanbul Okmeydanı Eğitim ve Araştırma Hastanesi
• Specialist in internal medicine from İstanbul Haseki Eğitim ve Araştırma Hastanesi
• Extensive experience in oncology clinics across prestigious hospitals

Professor Doctor Sefik Igdem specializes in Radiation Oncology at Gayrettepe Florence Nightingale Hospital, focusing on advanced treatments like Truebeam Stx Technology.

• Expert in head and neck cancers
• Uses conformal treatments for precise radiation therapy
• Professor at T.R Demiroğlu Bilim University

Dr. Sinan Karaaslan — Medical Oncologist at Anadolu Medical Center (since 2014). He treats breast, colorectal, and genitourinary cancers; in medical oncology since 2003. Member of the Turkish Medical Association, the Turkish Society of Medical Oncology, and the Turkish Lung Cancer Society.

Why patients choose and trust Dr. Karaaslan:

• Manages complex cases of breast, colorectal, and genitourinary cancers — applies modern systemic therapy tailored to the tumor type and stage.
• Member of the Turkish Medical Association, the Turkish Society of Medical Oncology, and the Turkish Lung Cancer Society.
• Author of numerous peer-reviewed articles and patient education materials on chemo- and immunotherapy.
• Practices at a center with ESMO Designated Centre status and JCI accreditation, within a strategic collaboration with Johns Hopkins Medicine International — one of the leading U.S. medical institutions. For patients, this means care aligned with U.S. protocols and the use of advanced equipment.

Dr. Vafi Atalay is an experienced oncological and general surgeon with 17 years in the field. He specializes in pancreatic, colon, rectal, and liver surgeries. He also performs advanced endoscopic procedures. Dr. Atalay has published 31 articles in national and international journals, making valuable contributions to medical literature.

He received the first prize at the 20th Congress Research Paper Competition. He also won the Best Research Award at the 5th Surgeon Research Congress. Dr. Atalay is a member of TSS, the Palestinian Medical Association, and IOA. His active involvement in these organizations shows his dedication to professional growth and surgical excellence.

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 80 international publications. She treats gastrointestinal cancers at Anadolu Medical Center.

• Member of European Society of Medical Oncology (ESMO)
• Expert in precision medicine for stomach cancer
• Professor at Haliç University in Istanbul
• Completed advanced training in immunotherapy at Mount Vernon Cancer Center

Prof. Şeref Kömürcü is an ECFMG and ESMO-certified medical and breast oncologist with over 20 years of experience. He specializes in solid cancer, breast cancer, colorectal and lung cancer treatment and has held teaching and scientific positions throughout his career. He is a member of several professional organizations.

Specializes in personalized oncology treatments, incorporating immunotherapies and targeted therapies for better patient outcomes.

• Completed Medical Oncology fellowship at Marmara University
• Participated in Observership Program at Houston Methodist Hospital
• Attends national and international oncology congresses regularly
• Works with patients from various countries including the US and Europe

Prof. Dr. Sezer Saglam specializes in gastrointestinal oncology with over 20 years of experience at Gayrettepe Florence Nightingale Hospital.

• Attending physician in Gastrointestinal Oncology since 2005
• Member of ESMO, ASCO, and ENET – leading oncology societies
• Professor of Medical Oncology since 2016
• Multiple international publications on chemotherapy regimens

Dr. Mehmet Doğu Canoğlu is a radiation oncologist. He graduated from Kocaeli University Faculty of Medicine. He completed his residency in radiation oncology at Kocaeli University from 2006 to 2012.

He completed his compulsory service at Diyarbakır Training and Research Hospital. He then worked at Bağcılar Training and Research Hospital and at Medipol Mega University Hospital from 2015 to 2017. Since 2017, he has been a radiation oncologist at Anadolu Medical Center.

Assistant Professor Tahsin Ozadli brings 21 years of oncology experience, specializing in gastrointestinal cancers including stomach cancer.

• Performed 1,100+ procedures in medical oncology
• Trained at Ankara Oncology Hospital – Turkey's leading cancer center
• Special focus on gastric and esophageal cancers
• Published researcher in oncology field