Best Adenocarcinoma doctors in Istanbul: TOP 18 doctors

Specializes in medical oncology and chemotherapy at Anadolu Medical Center – ranked 3rd in Turkey's medical oncology exam.

• 12+ years of experience in oncology
• Head researcher in international clinical studies
• Former head of medical oncology at Haydarpaşa Numune Training and Research Hospital
• Trained at top Turkish universities including Marmara University

Expert in treating various cancers including breast, lung, and gastrointestinal adenocarcinoma at Hisar Hospital Intercontinental.

• Completed fellowship at Hacettepe University Cancer Institute
• Specializes in breast cancer, lung cancer, and gastrointestinal cancers
• Trained at The University of Texas MD Anderson Cancer Center

Prof. Serkan Keskin has over 28 years of experience and performed more than 1,100 procedures. He is a leading medical oncologist at Memorial Şişli Hospital.

• Ranked first in Turkey on the national oncology proficiency exam
• Specialized in advanced treatments like targeted therapy and immunotherapy
• Author of 42 articles in respected international medical journals
• Active member of both ASCO and ESMO – major global oncology societies
• Received the Best Poster Award at the National Cancer Congress

Over 400 pancreatic and gastric cancer surgeries – Prof. Peker specializes in complex gastrointestinal cancers at Hisar Hospital Intercontinental.

• Trained at Mayo Clinic in hepatopancreatobiliary surgery
• Founder of a Hepatopancreatobiliary Surgery unit in Turkey
• Performs liver, gallbladder, and bile duct surgeries
• Also experienced in obesity-metabolic surgery and kidney transplants

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 80 international publications and co-authorship in leading oncology handbooks.

• Member of European Society of Medical Oncology (ESMO)
• Expert in breast, gastrointestinal, and lung cancers
• Professor at Haliç University, Istanbul
• Trained at Mount Vernon Cancer Center in London
• Completed MBA in Healthcare Management

Specialist Dr. Rahib Hasanov brings international experience from Houston Methodist Hospital and specializes in personalized oncology treatments.

• Completed Medical Oncology fellowship at Marmara University
• Expert in immunotherapies, targeted therapies, and smart drugs
• Regularly treats patients from Europe, the US, and Middle East
• Focuses on gastrointestinal, breast, lung, and urogenital cancers

Dr. Yildiz specializes in gastroenteropancreatic neuroendocrine tumors, with over 10 years of experience at Medipol Mega University Hospital.

• Published extensively on neuroendocrine tumors in international journals
• Expert in managing complex cases like paraneoplastic pemphigus
• Active in clinical research with multi-center studies
• Recognized for treating rare oncology cases like thymoma with chronic diarrhea

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 ENET
• Works at Gayrettepe Florence Nightingale Hospital

Professor Doctor Sefik Igdem specializes in Radiation Oncology with advanced Truebeam Stx and Halcyons technologies, focusing on precise conformal treatments.

• Board-certified in Radiation Oncology
• Specializes in head and neck cancers and prostate cancer
• Uses advanced Truebeam Stx and Halcyons technologies
• Associate Professor at T.R. Demiroğlu Bilim University

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

• Head of Medical Oncology at Yüzüncü Yıl University
• Trained at Istanbul Okmeydanı Training and Research Hospital
• Extensive experience in medical and internal medicine oncology
• Member of prestigious oncology institutions

1,100+ treatments performed – Dr. Ozadli specializes in gastrointestinal and breast cancers at Valued Med Hub Hospitals.

• 21 years of experience in medical oncology
• Trained at Ankara Oncology Training and Research Hospital
• Special interests in lung and esophageal cancers
• Google Scholar profile with published research in the field

Specializes in breast and lung cancers with research on predictive biomarkers and treatment responses.

• Member of the Turkish Medical Oncology Association
• Published studies on prognostic markers in adenocarcinoma
• Experienced in treating rare tumors and sarcomas

Dr. Bunyamin Kaplan specializes in radiation oncology at Medipol Mega University Hospital.

• Focuses on targeted radiation therapy for adenocarcinoma
• Works at one of Turkey's leading university hospitals
• Uses advanced radiation techniques for precise treatment

Specializing in breast, lung, and gastrointestinal cancers, Dr. Ozatli brings a focused approach to adenocarcinoma treatment at Istinye Liv University Hospital.

• Associate Professor since 2016
• Experience across multiple oncology departments in Turkey
• Education from Selcuk University's Faculty of Medicine

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

Nominated for the International Best Researcher Award for his work on liver-transplanted patients – Prof. Dr. Sezer Sağlam specializes in medical oncology at Istanbul Florence Nightingale Hospital.

• 27 years of experience in medical oncology
• Specialized training in Gastrointestinal Oncology
• Performed 1,100+ treatments
• Member of ESMO, ASCO, and other prestigious oncology societies
• Professor at Istanbul University with ongoing research