Page 2 - Best Colon cancer doctors in Istanbul: TOP 29 doctors

Professor Gul Alco specializes in radiation oncology for colon cancer at Medipol Acibadem District Hospital, with over 20 years of experience.

• Professor at Istanbul Medipol University's Department of Radiation Oncology
• Completed residency at Kadir Has University's Radiation Oncology program
• Associate Professor and later Professor at Demiroglu Bilim University
• Worked at Şişli Florence Nightingale Hospital and Gayrettepe Florence Nightingale Hospital

Prof. Dr. Sezer Saglam specializes in colorectal oncology at Florence Nightingale Hospital – one of Istanbul's leading cancer centers.

• Over 20 years of experience in medical oncology
• Trained at Istanbul University's Oncology Institute
• Member of ESMO, ASCO, and European Neuroendocrine Tumor Society
• Attending physician in Gastrointestinal Oncology since 2005

Prof. Dr. Suleyman Alici specializes in oncology, bringing focused expertise to colon cancer cases at Hisar Hospital Intercontinental.

• Consultation available with an experienced oncology specialist
• Named specifically for oncology-related diagnostic tests
• Recognized as a key oncology doctor in treatment plans

Performed 2,500+ radiotherapy sessions with MR-Linac – Assoc. Prof. Gorkem Turkkan specializes in advanced radiation treatments at Hisar Hospital Intercontinental.

• Expert in stereotactic and MRI-guided radiotherapy
• Published 27 articles in domestic and international journals
• Member of European Society of Radiotherapy and Oncology since 2015
• Completed fellowship at Maastricht University on thoracic radiotherapy

Dr. Yahya Ozel trained at Tokyo University Hospital under leading experts in Hepato-Biliary-Pancreatic Surgery – bringing advanced techniques to colon cancer care.

• 30+ years of surgical experience with a focus on minimally invasive techniques
• Specializes in oncological surgery alongside bariatric and hepatobiliary procedures
• Certified in surgical endoscopy and advanced laparoscopy
• Academic faculty member training future surgeons

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.

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.