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).

Dr. Zuhal Cakmak Peksen is a Family Medicine Specialist since 2017. She earned her MD from Çukurova University in 2010. She completed specialty training at Yüzüncü Yıl University between 2013 and 2017. She is currently studying for a bachelor’s degree in Health Management at Anadolu University (2024–present).

She has 15 years of clinical practice (2010–2025) across 8 institutions. Her experience includes research in Family Medicine (2013–2017) and work at several Family Health Centers. Since 2020, she has served at TOKİ Avrupa Family Health Center in Gaziosmanpaşa, Istanbul.

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

Uzm. Dr. Erkan Göcen is a Radiation Oncology Specialist at Çerkezköy Private Optimed Hospital (Optimed Health Group). He graduated from İstanbul University, İstanbul Faculty of Medicine (Çapa) in 2003.

Career: He trained and practiced in Radiation Oncology from 2010 to 2012. He worked in public and private health institutions from 2012 to 2016. He served in the private medical sector as a Radiation Oncology Specialist from 2016 to 2023. He has been at Optimed Hospital since 2024.

Clinical interests: cancers of the brain, head and neck, esophagus, stomach, colorectal, pancreas, prostate, bladder, lung, soft tissues (sarcomas), skin, uterus and cervix, and breast. Affiliations: Turkish Society for Radiation Oncology (TROD) and Tekirdağ Medical Chamber. Languages: English and Turkish.

Dr. Fuad Nurili completed a fellowship at Memorial Sloan Kettering Cancer Center in New York. He is an expert in interventional radiology and interventional oncology. Dr. Nurili treats cancer and obesity using minimally invasive image-guided techniques. He currently practices at Menfis Health Novimaj in Istanbul.

• Trained at the world-renowned Memorial Sloan Kettering Cancer Center.
• Researched intra-arterial injection techniques for treating pancreatic cancer.
• Published original findings on postmortem biopsies in major medical journals.
• Expert in PET/CT, MRI area scans, and complex tumor marker analysis.

Dr. Mehmet Yigit is an internal medicine specialist. He focuses on diabetes, metabolic syndrome, thyroid diseases, and hypertension. He also treats gastrointestinal problems such as dyspepsia, gastritis, and irritable bowel syndrome. In addition, he manages spondylitis and connective tissue diseases.

Dr. Yigit graduated from Çukurova University Faculty of Medicine in 2007. He completed his internal medicine training at Adnan Menderes University in 2013. He has worked as Assistant Chief Physician at Liv Hospital Ulus. He has held Medical Director roles at Recordati Rare Diseases and Alexion Pharmaceuticals. He has also held leadership positions at Abbvie and Novo Nordisk Pharmaceuticals. Dr. Yigit has served as an internal medicine physician at Manisa State Hospital. He has contributed to research as an assistant at ADU.

Education

Istanbul University Cerrahpaşa Faculty of Medicine, 2002
Istanbul Fatih Sultan Mehmet Training and Research Hospital, Internal Medicine, 2010
Istanbul University Oncology Institute (Çapa), Medical Oncology, 2015
Medipol University Faculty of Medicine, Phytotherapy Education, 2018
University of Health Sciences, Vocational School of Health, Molecular Oncology, PhD Program, PhD, 2023

Experience

University Hospital, Newark, New Jersey, USA, Observer (2003-2004)
Siirt State Hospital, Internal Medicine (2010-2011)
Siirt State Hospital, Medical Oncology (2015)
Bakırköy Dr. Sadi Konuk Training and Research Hospital, Medical Oncology (2015-2018)
Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Medical Oncology, (Professor Doctor) (2018-Present)
Forensic Medicine 3. Specialization Board, Medical Oncology, Full Member (2019-Present)
Liv Hospital, Ulus, Park-time, Medical Oncology (2020-2022)
Şişli Kolan International Hospital, Park-time, Medical Oncology (2022-2023)

Medical Intrests

• Gastrointestinal System Tumours (Esophagus - Stomach and Large Bowel Cancer)
• Hepatobiliary System Tumours (Liver-Biliary Tract and Pancreatic Cancer)
• Breast Cancer
• Lung Cancer
• Genitourinary Cancers
• Immunotherapies and Target Therapies
• Molecular Oncology
• Immunotherapies
• Target Treatments
•  

Awards

2010-YDUS (Subspecialty Examination) 14th place in Turkey
2014- Oncology Institute Days Best Poster Award
2015- Turkish Medical Oncology Society Board Exam Qualification
2015- ESMO (European Society for Medical Oncology) Board Exam Qualification

Education

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

Experience

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

Scientific Membership

Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)

Medical Intrests

• Breast Cancer
• Lung Cancer
• Colon Cancer
• Stomach Cancer
• Rectal Cancer
• Ovarian Cancer
• Liver Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Kidney Cancer
• Larynx Cancer - Cancer of the Larynx
• Thyroid Cancer
• Head and Neck Cancers
• Gynaecological Cancers
• Pancreatic Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Uterine Cancer
• Brain Cancers - Brain Tumours
• Soft Tissue Cancer - Sarcomas
• Prostate Cancer
• Bladder Cancer
• Bile Tract Cancer
• Testicular Cancer
• Cervical Cancer
• Mouth, Tongue, Lip Cancers
• Gastrointestinal System Cancers
• Bone Tumours
• Trachea and Bronchial Cancers
• Skin Cancers - Skin Cancers
• Skeletal System Tumours
• Gallbladder Cancer
• Mesothelioma

Dr. Elnur Sahibov is a specialist in radiation oncology at Emsey Hospital. He completed his medical training at the Marmara University Faculty of Medicine.

• Specialized in radiation oncology at Marmara University
• Completed medical education in English
• Focuses on cancer screening through oncologic assessment

Professor Tolga Akman leads urology at Medicana Bahcelievler Hospital. He specializes in identifying and surgically treating prostate, bladder, and kidney cancers.

• Performs radical and partial nephrectomies to treat kidney cancer
• Expert in laparoscopic urology for minimally invasive surgical diagnostics
• Professor of Medicine at a leading private healthcare institution in Turkey
• Specialist in pediatric urology focusing on congenital urinary tract conditions
• Trained at Istanbul University School of Medicine in urology residency

Professor Kayihan Engin is the Director of Oncological Sciences at Medicana Bursa Hospital. He completed a post-doctoral radiation fellowship at Thomas Jefferson University in the USA.

• Specializes in cancer screening for breast, lung, prostate, and gastrointestinal tumors
• Former researcher at the National Cancer Institute (NCI) in Bethesda, Maryland
• Uses CyberKnife robotic systems for pinpoint accuracy in radiation and tumor diagnostics
• Served as Chairman of Radiation Oncology at Uludağ University Medical College
• Manages oncological programs at top Turkish centers to improve patient screening accuracy

Education

İnönü Üniversitesi Tıp Fakültesi (ingilizce) 1995- 2002

Work Experience

Başbakanlık S.H.Ç.E.K. Genel Müdürlüğü Kurum Hekimliği (2003)

Erciyes Üniversitesi Tıp Fakültesi Genel Cerrahi Uzmanlığı 2011

Yüzüncü Yıl Üniversitesi Temel ve İleri Düzey Endoskopik Girişimler Eğitimi 2011

İstanbul Hastanesi /Van 2011

Özel Malatya Hastanesi / Malatya2012

Bilgi Tıp Merkezi Keçiören /Ankara 2013

Özel Koru Sincan Hastanesi Sincan/Ankara 2013

Baş Tibb Mərkəzi /Baku Clinic Azerbaycan/Bakü 2013

Yüksek İhtisas Üniversitesi Özel Koru Ankara Hastanesi 2019

Özel Ankara Koru Hastanesi /Ankara 2019

Medical Interests

laparoscopic obesity
Laparoscopic abdominal and inguinal hernia repairs (with the latest techniques)

Postpartum laparascopic diastasis recti (the formation of a protrusion in the upper middle abdomen due to the separation of the muscles in the abdominal tissue) and abdominal hernias above the navel and and gobekustunde both diastasis recti repair and abdominal hernia repair from the skin with laparascopic scola method for the first time in Turkey laparascopic stomach hernia and antireflu surgery).  

Laparoscopic gallbladder surgeries, including cleaning the bile duct with trans-cystic choledochal irrigation in patients with bile sludge and stones less than 5mm in the bile duct, performed in the same session

Laparoscopic gallbladder surgeries in pregnant women during the 2nd and 3rd trimesters, i.e., after 12 weeks of pregnancy

Laparoscopic Appendectomy in Pregnancy

Anal disorders, anal fissures, all types of internal and external hemorrhoid surgeries, anal fissure, and anal fistula surgeries

Thyroid surgeries and cancers, parathyroid surgeries and cancers

Breast diseases and breast cancer surgery

Oncological surgery; liver and gallbladder and bile duct surgeries, stomach cancer surgery, colon cancer surgery, and liver resections for metastatic liver tumors

Education

• Doctor of Medicine: Necmettin Erbakan University Meram Faculty of Medicine, 1994
• Internal Medicine Residency: Atatürk University Faculty of Medicine, 2004
• Internal Medicine Residency: Kafkas University Faculty of Medicine, 2007
• Medical Oncology Subspecialty Residency: Selçuk University Faculty of Medicine, 2010
• Medical Oncology Subspecialty Training: Istanbul University Oncology Institute, 2013

Experience

• Dailiye Assistant: Atatürk University Faculty of Medicine, 2005
• Asst. Assoc. Prof. Dr.: Kafkas University, 2006-2007
• Assistant Prof.: Selcuk University - Medical Oncology, 2007-2010
• Assistant Prof.: Istanbul University Oncology Institute - Medical Oncology, 2012-2013
• Uzm. Dr.: Istanbul University Oncology Institute - Medical Oncology, 2013-2017
• Assoc. Prof. Dr.: Istanbul University Oncology Institute - Medical Oncology, 2017-2023
• Prof. Dr.: Istanbul University Oncology Institute - Medical Oncology, 2023-present

Scientific Memberships

•  
• Turkish Society of Medical Oncology
• European Society of Medical Oncology (ESMO)
• American Society of Clinical Oncology (ASCO)
• Turkish Internal Medicine Specialty Society

Awards

• 2018: "Best Researcher of the Year" award, Istanbul University Oncology Institute
• 2016: TUBITAK Incentive Award in the field of "Cancer Research"

The doctor has conducted significant research on the cumulative effective dose of radiation from chest CT scans in COVID-19 patients. This work highlights the importance of adhering to guidelines to minimize unnecessary exposure, reflecting a commitment to patient safety and evidence-based practice.