Sigmoid Adenocarcinoma Doctors Abroad — Page 3

Associate Professor Tahsin Ozatli specialises in treating gastrointestinal cancers at the Istinye University Liv Hospital Bahcesehir.

• Promoted to Associate Professor status – one of the highest clinical and academic rankings in Turkey
• Handled complex oncology cases at the Ankara Oncology Clinic – a major national hub for cancer research
• Treats sigmoid adenocarcinoma using targeted systemic therapy to attack cancer cells while sparing healthy tissue
• Member of the oncology team at Erzurum Regional Training and Research Hospital

Professor Alemdar is a dual-certified specialist in internal medicine and medical oncology at Medical Park Antalya, focusing on systemic treatments for gastrointestinal cancers.

• Specialises in chemotherapy and targeted drug therapies for sigmoid adenocarcinoma
• Completed double specialisation at Akdeniz University Faculty of Medicine
• Previous senior roles at major Antalya training and research hospitals
• Treats cases involving varying stages of colorectal cancer progression

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).

Professor Muzaffer Al is a specialist in keyhole cancer surgery at Büyük Anadolu Hospitals, where he focuses on colorectal oncology.

• Completed laparoscopic training at Istanbul University's prestigious Çapa and Cerrahpaşa medical faculties
• Specialises in oncological cancer surgery using minimally invasive techniques
• Performs laparoscopic procedures to remove tumours with smaller incisions and faster recovery times
• Trained in advanced surgical methods for managing complex digestive tract cancers

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.

Associate Professor Nail Paksoy is an ESMO board-certified medical oncologist specialising in advanced gastrointestinal cancers at Medipol Bahcelievler University Hospital.

• Specialises in combining targeted therapies with systemic chemotherapy for colorectal and sigmoid tumours
• Served as a sub-investigator for international clinical trials with major pharmaceutical leaders like Roche and Amgen
• Research focuses on the efficacy of third-line treatments for metastatic colorectal cancer cases
• Uses peptide receptor radionuclide therapy (PRRT) – targeted radiation that attacks cancer cells while sparing healthy tissue
• Board certified by the European Society for Medical Oncology (ESMO) in Paris

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.