Specializations
Nose Aesthetics Aesthetics
Facial Applications in Surgery
Breast Aesthetics
Body Shaping Aesthetics
liposuction
Botox-Filling-Mesotherapy Procedures
Infertile Couple Assessment
Reproductive Difficulties
Functional Medicine
Polycystic Ovarian Disease
Endometriosis
In Vitro Fertilization (IVF)
Infertility
Urinary Incontinence
Sexual Therapy
Sexual Dysfunction
Genital Aesthetics
Laparoscopic Surgery
Diyarbakır Ziya Gökalp Super High School
1995 – 1999, Diyarbakır
Dicle University, Faculty of Medicine
Medical Education
1999 – 2005, Diyarbakır
Dicle University, Faculty of Medicine
Department of Physical Medicine and Rehabilitation
Specialization Training
2005 – 2007, Diyarbakır
Kanuni Sultan Süleyman Teaching and Research Hospital
Department of Obstetrics and Gynecology
Specialization Training
2007 – 2012, Istanbul
University of Health Sciences
Bakırköy Dr. Sadi Konuk Teaching and Research Hospital
Research Assistant
2012 – 2017
Istanbul Aydın University, Faculty of Medicine
Department of Obstetrics and Gynecology
Assistant Professor
2017 – 2019
Istanbul Aydın University, Faculty of Medicine
Department of Obstetrics and Gynecology
Associate Professor
2019 – Present
Assisted Reproductive Therapy Certification – 2019
IAÜ VM–Medical Park Florya IVF Center
Turkish Gynecology and Obstetrics Association
Dr. Axel Stang is a professor, Head Physician of Asklepios Barmbek Clinic, with a specialization in internal medicine, oncology, and hematology. He conducts antibody and molecular therapies to reduce tumor size, and is a member of multiple organizations and societies. Dr. Stang has published articles on the effectiveness of radiofrequency ablation in treating of metastatic colon cancer, and was a member of a research group that studied the effects of liver embolization. Patients can submit a request on the Bookimed website to get a consultation with the professor.
Oncologist, specialist in gastrointestinal cancer treatment
Dr. Meryem Eken is an obstetrician-gynecologist and IVF specialist. She earned her M.D. and completed her residency at Istanbul University. She completed IVF clinical training at Zeynep Kamil in 2017. She led the IVF Unit at Hisar Intercontinental Hospital from 2020 to 2025. She heads the IVF Unit at Bahçeşehir University Medical Park Göztepe Hospital. She started in 2025. She has served on the faculty of Üsküdar University since 2024. She became a professor at Biruni University in 2025.
Her clinical focus includes infertility, intrauterine insemination (IUI), natural-cycle IVF, hysteroscopy, endometriosis, and minimally invasive myomectomy. She has authored or co-authored more than 30 peer-reviewed international articles. Several appeared in SCI and SSCI journals. In 2016, she received First Prize for an oral presentation from the Turkish Society of Gynecology and Obstetrics.
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.
Prof. Mesut Polat, MD. Obstetrics and Gynecology; Gynecologic Oncology. Expertise: gynecologic oncology; advanced and minimally invasive gynecologic surgery; high‑risk obstetrics; placenta accreta spectrum; medical and surgical management of postpartum hemorrhage.
Professor at Medipol Acıbadem District Hospital (2019–2025). Former obstetrics and gynecology specialist at Istanbul Medeniyet University Göztepe and Zeynep Kamil Hospitals. Administrative lead at Zeynep Kamil (2015–2016). Teaches undergraduate and postgraduate students. Co‑supervised theses in 2016. Member of the Turkish Society of Obstetrics and Gynecology.
Author of 19 international peer‑reviewed papers indexed in SCI, SCI‑Expanded, and SSCI. Topics include cesarean myomectomy, frozen section in endometrial cancer, urinary outcomes after hysterectomy, placenta percreta, and tamoxifen‑related uterine sarcoma. Presented at international congresses in 2016 and national congresses in 2015–2016. Awards include Certificates of Appreciation from the Republic of Türkiye Ministry of Health (2015, 2016).
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).
Dr. Ercan Ozden is a specialist in internal medicine and medical oncology. He earned his medical degree and completed his residency at Istanbul University, Cerrahpaşa Faculty of Medicine. He later received a subspecialty in medical oncology at Kocaeli University Faculty of Medicine from 2016 to 2020.
Dr. Ozden has worked in medical oncology at Şırnak State Hospital. He has also served as an internal medicine specialist at Bağcılar Private Safa Hospital and Küçükçekmece Batı Bahat Hospital. He has extensive clinical experience in both internal medicine and oncology.
Dr. Baha Zengel is a general surgeon with expertise in breast, gallbladder, thyroid diseases, and hernia repairs. He graduated from Ege University Faculty of Medicine in 1990. In 2004, he earned a doctorate in Basic Oncology from Dokuz Eylül University. He became an Associate Professor of General Surgery in 2014 through the Inter-University Board.
Dr. Zengel is skilled in advanced surgical procedures. His experience includes skin and breast-conserving mastectomy, oncoplastic breast surgery, laparoscopic cholecystectomy, sentinel lymph node biopsy, and ROLL/SNOLL techniques. He has held important positions at Izmir Bozyaka Training and Research Hospital, including Education Officer.
He is a member of several professional associations. He serves on the Board of Directors of the Aegean Region Surgery Association and is a founding board member of the Basic Oncology Association.
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).
Professional experience
2007. Director of the Assisted Reproduction Unit of the Quironsalud University Hospital of Madrid since its opening.
2004-06 Private consultation on assisted reproduction in Madrid.
1994-96. Deputy Physician. Department of Gynecology and Obstetrics. Hospital 12 de Octubre, Madrid.
Membership in scientific societies
-He is a member of the Spanish Society of Gynecology and Obstetrics (SEGO).
-Spanish Society of Fertility (SEF);
-European Society of Human Reproduction (ESHRE)
-American Society for Reproductive Medicine (ASRM).
Research and Teaching
In recent years, he has conducted over 30 conferences, 20 presentations and 15 talks at courses and conferences in his specialty. He has written 5 book chapters and coordinated 4 monographs.
2010 Associate Professor. European University of Madrid.
2004-07 Professor of Master in Human Reproduction. Spanish Fertility Society and Complutense University.
1990-98 Professor, PhD student. Training Center for Medical Specialists (CTO)
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.
Posts and Affiliations
Clinical Director – Multidisciplinary Breast Unit Kliniken Essen-Mitte, Germany
Lead Breast Cancer Research Program, Kliniken Essen-Mitte
Executive Board Member of the AGO (Arbeitsgemeinschaft Gynäkologische Onkologie)
Additional Roles
ESMO Faculty – Breast Cancer
Member of AWO Gyn – Commission for plastic and reconstructive surgery
Speaker of the AGIMed – Commission for Integrative Medicine of the AGO
Member of the Organ Commission Mamma of the AGO
Scientific Director of the WSG study group
Global PI, Head of clinical investigations and trials 27
IDMC´s, Steering Boards national and international
Scientific committee of international and national symposia in breast cancer and surgical oncology
Organization Memberships
Memberships: European Society of Medical Oncology, American Society of Clinical Oncology,
European Academy of Senology, German Cancer Society, German Society of Gynecology and
Obstetrics, Working Group for Gynecological Oncology, German Society of Senology,
Publications
Peer reviewed Publications: 322
First/Senior Author: 38
h-Index/i10-Index 66/232
Congress Abstracts/Proceedings: 443
Books/Book Chapter: 59
Invited oral Presentations/Lectures: 1032
Prof. Jong Kyun Lee is a highly experienced gastroenterologist specializing in the management of pancreatic, bile duct and gallbladder cancers, pancreatitis, and gallstones. He has worked at Samsung Medical Center and holds degrees from the Seoul National University College of Medicine and the University of California. He is a member of several organizations, including The Korean Society of Gastrointestinal Endoscopy, The Korean Society of Gastroenterology, and The Korean Pancreatobiliary Association.
Professor Kyu Taek Lee is a top gastroenterologist from South Korea, specializing in the management of pancreatic, bile duct and gallbladder cancers. He is a Gastroenterology specialist at Samsung Medical Center and has degrees from Hanyang University College of Medicine, Stanford University School of Medicine, and Kyoto Second Red Cross Hospital. He is also a member of The Korean Society of Gastrointestinal Endoscopy and The Korean Society of Gastroenterology.
Oncogynecologist
Oncologist
Gynecologist. Oncogynecologist