Specializations
Cancer Surgery
Pancreatic Surgery
Bile Duct Surgery
Bariatric Metabolic Surgery
Oncological Surgery
Breast Surgery
Gastric cancer
Colon cancer
Thyroid Cancer
Obesity Surgery
Diabetes Surgeries
2017: Oticon Medical Scientific Center Copenhagen Denmark.
2016: ICLO Teaching Center New Endoscopic Approaches to Lateral Skull Base, Inner Ear and Cerebello-Pontine Angle, Verona Italy
2016: World Hearing Center, Institute of Physiology and Pathology of Hearing, Warsaw,Poland
2015: Cochlear Science and Research Center Berlin Germany.
2014: Cochlear implant Center Medel Company Innsburck, Austria.
2014: Hannover Medical School. Clinic for Laryngology, Rhinology and Otology, Hannover, Germany
2014: Academy of Hearing Aid Acoustics (Akademie für Hörgerate-Akustik), Lübeck, Germany.
2013: International European Sialendoscopy Training Center, Geneva, Switzerland.
2012: University clinic of ORL, Head and Neck Surgery, klinikum der Universitat, Munchen, Germany.
2012: University clinic of ORL, Head and Neck Surgery, Bern, Switzerland.
2011: University clinic of ORL, Head and Neck Surgery, klinikum der Universitat, Munchen, Germany.
2007: The Ohio State University, Medical Faculty, Department of Otolaryngology, Division of Otology and Neurotology. Columbus, Ohio, USA.
2006: University of Würzburg, Department of Otolaryngology, Division of Otology and Neurotology. Würzburg, Germany.
1999-2003 İnönü Üniversitesi Tıp Fakültesi Kulak Burun Boğaz Anabilim Dalı
1993-1999 İstanbul Üniversitesi Cerrahpaşa Tıp Fakültesi
Turkish Otorhinolaryngology and Head and Neck Surgery Association
Turkish Otorhinolaryngology and Head and Neck Surgery Foundation
Turkish Rhinology Society
Tigris-Euphrates Basin Otorhinolaryngology and Head and Neck Surgery Association
Gaziantep Otorhinolaryngology Association
Turkish Otorhinolaryngology and Head and Neck Surgery Qualification Board
Turkish Otology Association
Malatya Otorhinolaryngology Association
American Academy of Otolaryngology Head and Neck Surgery
Mediterranean Society of Otology and Audiology
International Vertigo Association
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.
Assoc. Prof. Ayşe İrem Yasin, M.D., is a medical oncologist who specializes in solid tumors. Her clinical focus includes breast, lung, gastrointestinal, gynecologic, and urologic cancers. She also treats brain and other CNS tumors, soft tissue sarcomas, head and neck cancers, adenocarcinomas, melanoma, Merkel cell carcinoma, and cancers of unknown primary. She practices at Medipol Acıbadem District Hospital (2025–present). She previously worked at Şişli Etfal Training and Research Hospital (2023–2025).
She completed a Medical Oncology fellowship at Bezmialem Vakıf University (2019–2022). This followed an Internal Medicine residency at the same institution (2012–2016). Her international experience includes the Breast Cancer Unit at the University of Piemonte Orientale in Novara (2022). She also trained at Basel University Hospital, Cleveland Clinic, and Harvard Medical School. She holds the ESMO Board Certificate (2022).
Dr. Avi Hefetz is Head of the department of surgery and head and neck oncology at the medical center head and neck surgery at Melanoma Unit department of the largest Israel hospital - Assuta. Leading specialist in the diagnosis and surgical treatment of tumors in the head and neck, as well as, where appropriate, non-surgical treatment of the disease.
Clinical practice of doctor Hefetz combined with teaching and research activities, he teaches at Tel Aviv University, is the author of over 70 scientific articles which are published in various professional journals, has spent more than 40 scientific presentations.
Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015
MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022
Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)
Medical Intrests
Dr. Elnur Sahibov is a licensed Radiation Oncologist with 8 years of medical training and clinical experience. He completed his undergraduate and specialization studies at Marmara University Faculty of Medicine. From 2012 to 2016, he focused on advanced radiation oncology techniques.
Dr. Sahibov is known for his expertise in cancer treatment. He has helped improve patient outcomes and uses evidence-based protocols. He is accredited by leading medical institutions and is dedicated to ongoing professional development in oncology.
Associate Professor Dr. Emrah Eraslan graduated from Ankara University Faculty of Medicine in 2005. From 2006 to 2011, he worked as a research assistant in the Department of Internal Medicine at Ankara University Faculty of Medicine and became an internal medicine specialist in 2011. Between 2011 and 2013, he worked as an internal medicine specialist and chief physician at Dr. Nafiz Körez Sincan State Hospital and Palu District State Hospital. From 2013 to 2016, he received medical oncology training at Dr. Abdurrahman Yurtaslan Ankara Oncology Education and Research Hospital and worked there until 2021. In 2023, he became an associate professor and contributed to his field with his publications throughout his career. He currently serves his patients at Koru Ankara Hospital. His medical interests include:
Breast Cancer
Prostate Cancer
Lung Cancer
Colorectal Cancer
Stomach Cancer
Ovarian Cancer
Dr. Kayihan Engin is a Radiation Oncologist. He earned his medical degree from Uludağ University Medical College in 1983. He completed his residency in Radiation Oncology at the Center of Oncology & Nuclear Medicine in Istanbul in 1990. From 1990 to 1994, he pursued a post-doctoral fellowship in Thermoradiotherapy at Thomas Jefferson University in the USA.
Dr. Engin has held key academic and leadership roles. He served as Professor, Chairman, and Faculty Accreditation Coordinator at Uludağ University Medical College from 1991 to 2005. He was also Professor and Director at Anadolu Medical Center between 2004 and 2017. Since 2017, he has led the Oncological Sciences departments at Ceylan International and Medicana Bursa Hospitals. Dr. Engin is known for his work in improving cancer treatment and medical education standards in Turkey.
Dr. Ahmer Arif Shaikh, MDS (Oral & Maxillofacial Surgery), is a specialist in Surgical Oncology. He has 3 years of experience at HCG Manavata Cancer Centre, Nashik. He focuses on oral cancer treatment, organ preservation, and functional rehabilitation for oral cancer patients.
Dr. Shaikh has completed a Fellowship in Head & Neck Surgical Oncology. He is skilled in complex maxillofacial and head & neck surgeries. He is also an active researcher with several publications in reputed journals. His work shows a strong commitment to improving cancer care.