Prof. Sezer Sağlam specializes in brain cancer treatment at Gayrettepe Florence Nightingale Hospital, with over 15 years of experience in medical oncology.
Assoc. Prof. Gorkem Turkkan has successfully completed over 2,500 radiotherapy sessions with MR-Linac – one of Turkey's most experienced specialists in MRI-guided treatments.
Dr. Topcu trained at top cancer centers including MD Anderson and Sunnybrook, specializing in complex oncological cases.
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.
| Doctor | experience | Good Fit For | What Sets Them Apart | Clinic & Location | Consultation |
|---|---|---|---|---|---|
| 27 years of experience | Brain cancer cases | Specializes in brain cancer with a strong background in gastrointestinal oncology. Member of prestigious societies like ESMO and ASCO. | Turkey | Price on request
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| 17 years of experience | MRI-guided radiotherapy | Pioneer in MR-Linac treatments with 2,500+ sessions completed. ESTRO member with research focus on stereotactic radiotherapy and proton therapy. | Turkey | Price on request
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| 16 years of experience | Complex brain tumors | Trained at MD Anderson & Sunnybrook – brings international expertise to brain cancer cases. Active member of ESMO and ASCO. | Turkey | Price on request
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