Prof. Erhun Eyüboğlu has over 40 years of experience in cancer and obesity surgery. He also specializes in surgical pancreatic cancer treatment performing a Whipple procedure. Promoted his skills at Johns Hopkins University (USA). The Professor also leads scientific work as a lecturer at Istanbul University Cerrahpaşa Faculty of Medicine.

贈り物
イスタンブール・フローレンス・ナイチンゲール病院
腫瘍内科

2022-2024
メモリアル・シシリ病院
腫瘍内科専門医

2021-2022
ジュール・ボルデ研究所
臨床研究フェローシップ

2020-2022
マルマラ大学ペンディク教育研究病院
腫瘍内科専門医

2019-2019
ジュール・ボルデ研究所
臨床研究フェローシップ

2016-2019
マルマラ大学医学部腫瘍内科学教室
腫瘍内科フェローシップ

2014-2016
ゲルバシュ国立病院
内科専門医

2013-2014
MDアンダーソンがんセンター
オブザーバー

2013
ベルビッジェ病院（スペイン・バルセロナ）
オブザーバー

2009-2014
ハジェッテペ大学医学部
内科レジデント研修

Prof. Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital. He specializes in gastrointestinal and breast cancers. He has contributed to cancer care through research, especially with his study on the best timing for surgery after neoadjuvant therapy in rectal cancer. This work has influenced global treatment protocols.

Dr. Sağlam has led clinical trials in targeted therapies and precision medicine. His research on liver-transplanted patients with hepatocellular carcinoma was nominated for the 2024 International Best Researcher Award. He is a member of ASCO, ESMO, and ENET. Dr. Sağlam provides personalized and evidence-based oncology care.

Dr. Tahsin Ozadli is a medical oncologist at Valued Med Hub Hospitals in Istanbul. He specializes in the treatment of lung, breast, and gastrointestinal cancers. Dr. Ozadli holds a specialization from the Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital. He works at a center authorized by the Turkish government for international health tourism.

• Administers immunotherapy, targeted therapy, and chemotherapy for multiple cancer types.
• Treats complex conditions including sarcoma, medulloblastoma, and nasopharyngeal cancer.
• Performs diagnostic procedures including liver biopsies, thyroid biopsies, and cancer screenings.
• Utilizes PET/CT and MRI for precise abdominal and pelvic tumor tracking.

Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.

Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.

Professor of Neurology. Specialist in demyelinating processes and Parkinson's disease.

Dr. Mustafa Ondzhel is a professor of oncosurgery and proctology at Medipol Mega University Hospital. He spent five years as a practicing surgeon at the Cleveland Clinic in the USA. Dr. Ondzhel specializes in treating bowel cancer and complex rectal disorders. He is a founder of the Eurasian Colorectal Technologies Association.

• Holds a proctology qualification certificate from the European Commission on Coloproctology.
• Received the Most Successful Scientist of the Year award in the healthcare category.
• Performs Whipple surgery and distal pancreatectomy for gastrointestinal cancers.
• Confirmed as an Official International Fellow of the American Society of Colorectal Surgeons.

Dermatologist

Radiation Oncologist

この医師は、乳がん、肺がん、消化器系がんの治療を専門とする腫瘍学者です。現在、医師はIstinye Liv University Hospitalで診療を行っています。<\/p>

多くの著名な機関でのキャリアを持ち、医師はMalatya State Hospitalで内科専門医として、Ankara Oncology Clinicで医師として、Erzurum Regional Training and Research Hospitalの腫瘍学部門のメンバーとして勤務してきました。<\/p>

医師はSelcuk Universityの医学部を卒業し、2016年に准教授の称号を取得しました。<\/p>

Education & Expertise

• 1998 to 2004 – Istanbul University, Istanbul Faculty of Medicine
• 2005 to 2009 – Düzce University, Internal Medicine Specialization
• 2009 to 2010 – Beytüşşebap State Hospital, Compulsory Internal Medicine Service
• 2010 to 2013 – Bülent Ecevit University, Medical Oncology Specialization
• 2013 to 2015 – Recep Tayyip Erdoğan University, Medical Oncology Compulsory Service
• 2015 to Present – Associate Professor, Recep Tayyip Erdoğan University
• 2015 to 2021 – Lecturer, Medical Oncology, Sakarya University Faculty of Medicine
• 2020 to Present – Professor, Sakarya University Faculty of Medicine
• 2020 to Present – Ph.D. Student, Inorganic Chemistry, Sakarya University

Experience

• 2008 – Cleveland Clinic, Rheumatology & Gastroenterology Rotation
• 2016 to 2017 – Northeastern University, The Center for Pharmaceutical Biotechnology and Nanomedicine, Boston, U.S.

Professional Memberships

• TTOD (Turkish Society of Medical Oncology)
• ASCO (American Society of Clinical Oncology)
• ESMO (European Society for Medical Oncology)

Education:

Teaching course on “Lymphatic mapping and sentinel node”

June 1998, MDA Cancer Center, Houston, Texas, USA

General Surgery

Feb. 1993 – Dec. 1996, Şişli Etfal Hospital, Istanbul, Turkey

General Surgery

May 1990 – Jan. 1993, Lille University Hospital, Lille, France 

M.D.

1983 – 1990, Cerrahpasa School of Medicine, Istanbul, Turkey

Experience

Attending General Surgeon, Jan. 1998 – present 

F.N. Metropolitan Hospital, Istanbul, Turkey

American Cancer Center, Breast Surgery

Attending General Surgeon, 1996 – present 

Medmar Diagnostic Center, Istanbul, Turkey

Diagnosis and monitoring with sophisticated techniques 

General Surgeon, 1996 – 1998

Guzelbahce Medical Center and Yeditepe Hospital, Istanbul, Turkey

Specializing in breast and thyroid surgery

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.

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.

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).

Education

• 1986-1989, Bursa High School, Bursa, Turkey
• 1989-1995, Istanbul University, Istanbul School of Medicine, Turkey
• 1999-2003, (Residency) Kadir Has University, School of Medicine, Department of Radiation Oncology, Istanbul, Turkey
• 2015, (Associate Professor) Demiroglu Bilim University, Department of Radiation Oncology, Istanbul, Turkey
• 2021, (Professor) Demiroglu Bilim University, Department of Radiation Oncology, Istanbul, Turkey
• 2024, Istanbul Medipol University, Department of Radiation Oncology, Istanbul, Turkey

Experience

• 1995-1999, Şişli Florence Nightingale Hospital, Istanbul, Cardiology Department
• 2003, Gayrettepe Florence Nightingale Hospital, Istanbul, Department of Radiation Oncology
• 2015, (Associate Professor in Radiation Oncology) Demiroglu Bilim University, Department of Radiation Oncology, Istanbul, Turkey
• 2021, (Professor in Radiation Oncology) Demiroglu Bilim University, Department of Radiation Oncology, Istanbul, Turkey
• 2024, Istanbul Medipol University, Department of Radiation Oncology, Istanbul, Turkey

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. 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.

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

Academic Details

Faculty / University
19 Mayis University, Faculty of Medicine, Samsun – Turkey

Date of Graduation
1992

Postgraduate Training
Institution: Department of Radiology, Faculty of Medicine, Erciyes University, Kayseri – Turkey
Supervisor in Charge of Training: Mustafa Ozturk
Training Period: From 1993 to 1998
Title of Thesis: Evaluation of Lower Extremity Artery-Occlusive Disease by MR Angiography

Accreditation

Radiology Specialist: 1998, The Ministry of Health of Turkey

Associate Professor: 2003, Interuniversity Committee

Academic Experience

Residency: Department of Radiology, Erciyes University, Kayseri – Turkey (1993 to 1998)

Private Practice: Maternal and Children Hospital, Sivas – Turkey (1998–2000)

Academic Positions:

2000 to 2003: Assistant Professor of Radiology, Firat University, Elazig – Turkey

2003 to 2009: Associate Professor of Radiology, Firat University, Elazig – Turkey

2009 to 2010: Professor of Radiology, Firat University, Elazig – Turkey

2010 to 2015: Professor of Radiology, Chairman, Bezmialem Vakif University, Istanbul – Turkey

2015 to 2016: Professor of Radiology, Chairman, Yeditepe University, Istanbul – Turkey

2017 to Present: Professor of Radiology, Interventional Radiology Unit, Bahçelievler Medical Park Hospital, Altınbaş University, Istanbul – Turkey

Fellowship

Institution: Department of Radiology, University Hospital of Cleveland, Case Western Reserve University, Cleveland, Ohio, USA

Duration:  2004 to 2005

Position: Research Fellow – Ultrasound & CT (Body)

Professional Memberships

-Turkish Society of Radiology

-Medical Ultrasound Society of Turkey

-Turkish Society of Radiology, Abdominal Radiology Study Group

-ESGAR – European Society of Gastrointestinal and Abdominal Radiology (Fellow)

-ESUR – European Society of Urogenital Radiology (Fellow)

-ESR – European Society of Radiology

-Turkish Society of Magnetic Resonance

-Turkish Society of Radiology, Urogenital Radiology Study Group

-Turkish Society of Interventional Radiology

-Korean Society of Radiology (International Member)

-Radiological Society of North America (RSNA) – Corresponding Member

Prizes and Awards

European Congress of Radiology (ECR) 2002, Vienna – Image Interpretation, 3rd Prize

Interpretation Corner of European Radiology 2003 – 2nd Prize

Cases of the Day – ESGAR 2007, Lisbon, Portugal – 2nd Prize

Cases of the Day – ESGAR 2009, Valencia, Spain – 1st Prize