46 Best Adenocarcinoma Doctors in Istanbul

Dr. Bulent Karagoz is a medical oncologist at Anadolu Medical Center in Istanbul. He specializes in immunotherapy and targeted therapies for sarcoma, lymphoma, and lung cancer. Dr. Karagoz provides treatment at a facility affiliated with the prestigious Johns Hopkins Hospital.

• Authored over 40 research publications focusing on tumor biology and immunology.
• Former Head of Internal Diseases at Istanbul Okan University Faculty of Medicine.
• Held leadership roles in medical oncology at GATA Haydarpasa Training Hospital.
• Member of the Turkish Medical Oncology Association and European Head and Neck Society.

Specializes in medical oncology and chemotherapy at Anadolu Medical Center – ranked 3rd in Turkey's medical oncology exam.

• 27 years of experience in oncology
• Head researcher in international clinical studies
• Former head of medical oncology at Haydarpaşa Numune Training and Research Hospital
• Trained at top Turkish universities including Marmara University

Dr. Ilker Tinay is an urological oncologist at Anadolu Medical Center. He sits on the Executive Board of the Association of Urooncology. Dr. Tinay specializes in minimally invasive surgery and neo-bladder reconstruction. He works at Anadolu, a Top 10 global hospital according to MTQUA. The center is also affiliated with Johns Hopkins Medicine.

• Member of the American College of Surgeons and European Association of Urology.
• Secretary of the Bladder Tumours Research Group.
• Winner of the Urooncology Association Scientific Research Award.
• Performs complex procedures including robotic da Vinci prostatectomy and nephrectomy.

Dr. Vafi Atalay is a colorectal and general surgeon at Anadolu Medical Center. He developed the tube ileostomy technique to eliminate the need for ostomy-closure surgery. This method was published in the journal Colorectal Disease. Dr. Atalay specializes in pancreatic, colon, rectal, and liver cancers.

• Winner of the Gold Medal Award at the Istanbul International Invention Fair.
• Authored over 30 articles in national and international medical journals.
• Received the Best Scientific Research Award from several surgical congresses.
• Practices at a clinic affiliated with the top-ranked Johns Hopkins Hospital.

Dr. Abdulmuttalip Simsek is a urological surgeon at Memorial Bahçelievler Hospital in Istanbul. He specializes in robotic and reconstructive surgery for complex urological conditions. Dr. Simsek holds the rank of Professor and completed reconstructive urology training in the UK. He treats a wide range of cancers including kidney, prostate, and bladder malignancies.

• Performs HoLEP for benign prostatic hyperplasia and penile prosthesis surgery.
• Expert in reconstructive procedures such as urethroplasty and hypospadias surgery.
• Treats sexual health conditions, including erectile dysfunction and Peyronie's disease.
• Works at a JCI-accredited facility known for oncology and robotic surgery excellence.

Dr. Banu Atalar is a professor and radiation oncologist at Anadolu Medical Center. She is an Honorary Fellow of the American College of Radiology (H.FACR). She completed a clinical research fellowship in stereotactic radiosurgery at Stanford University. Stereotactic radiosurgery and MR-guided adaptive SRS make up 75% of her clinical practice.

• President of the Turkish Society for Radiation Oncology.
• Chair of the ESTRO National Societies Committee.
• Recipient of the ASCO International Development and Education Award.
• Author of over 70 international peer-reviewed publications.

Dr. Huseyin Baloglu is a pathologist at Anadolu Medical Center in Turkey. He leads liquid biopsy and precision oncology services. Dr. Baloglu holds a patent for molecular diagnostics in thyroid cancer treatment. He completed training at Albert Einstein College of Medicine and Heidelberg University.

• Authored over 600 peer-reviewed publications in molecular and surgical pathology.
• Specializes in tumor biopsy, immunohistochemistry, and genetic mutation testing.
• Treats complex oncological cases, including glioblastoma and rare sarcomas.
• Works at Anadolu Medical Center, a facility affiliated with Johns Hopkins Medicine.

Dr. Ayshe Okumush is a radiation oncologist at Private NeoLife Medical Center. She earned her MD from Karadeniz Technical University in 2003. She completed a residency in radiation oncology at Sisli Etfal Training and Research Hospital from 2006 to 2011.

She served as a specialist at Diyarbakir Uckuyular Training and Research Hospital from 2011 to 2013 and at Sisli Etfal from 2013 to 2016. She then worked at Yeni Yuzyil University Private Gaziosmanpasa Hospital from 2016 to 2026. She joined NeoLife in 2026.

Memberships: Turkish Society for Radiation Oncology (TROD) and the European Society for Radiotherapy and Oncology (ESTRO). Clinical focus: SRS, SRT, SBRT; VMAT, IMRT; radiotherapy for head and neck, lung, and brain tumors; SGRT, TBI, and 3D brachytherapy.

Prof. Sezer Sağlam specializes in gastrointestinal oncology with extensive experience at Istanbul University Oncology Institute.

• Professor of Medical Oncology since 2016
• Fellowship-trained at Istanbul University Medical Faculty
• Member of ESMO, ASCO, and ENET
• Works at Gayrettepe Florence Nightingale Hospital

Dr. Mehmet Salih Iyikesici is a medical oncologist. His work focuses on metabolically supported chemotherapy (MSCT), ketogenic diet–supported cancer care, hyperthermia, hyperbaric oxygen therapy, and insulin potentiation therapy. He emphasizes care for breast, pancreatic, and gastric cancers.

He is a Medical Oncology Specialist at Neolife Medical Center (2026–present). He previously served at Private Bahçelievler Medical Park (2013–2026), Medicana Beylikdüzü (2010–2013), Silivri Anadolu (2009–2010), Diyarbakır Training and Research (2008–2009), and Bursa Çekirge State (2006–2008). Earlier, he worked as an Internal Medicine Specialist (1997–2003). He was an Assistant Professor at Altınbaş University (2014–2026).

Training: Medical Oncology subspecialty, Marmara University (2003–2006). Internal Medicine, Istanbul Haydarpaşa Numune (1992–1996). Medicine, Uludağ University (1985–1990). Member, Medical Oncology Association (since 2004). His recent research (2019–2020) covers gastric, breast, pancreatic, and lung cancers. Topics include long‑term survival in metastatic pancreatic cancer and feasibility in metastatic non‑small cell lung cancer (NSCLC).

Professor Doctor Sefik Igdem specializes in Radiation Oncology with advanced Truebeam Stx and Halcyons technologies, focusing on precise conformal treatments.

• Board-certified in Radiation Oncology
• Specializes in head and neck cancers and prostate cancer
• Uses advanced Truebeam Stx and Halcyons technologies
• Associate Professor at T.R. Demiroğlu Bilim University

Dr. Sinan Karaaslan is a medical oncologist at Anadolu Medical Center in Istanbul. He specializes in treating breast, colorectal, and urogenital system cancers. Dr. Karaaslan brings clinical expertise from major institutions, including Medical Park and Gülhane Military Medical Academy. He works at a hospital affiliated with the Johns Hopkins Hospital.

• Holds personal certification from the European Society for Medical Oncology.
• Treats complex conditions, including stage 4 colon and lung cancers.
• Member of the Turkish Medical Oncology and Turkish Lung Cancer societies.
• Performs systemic therapies such as immunotherapy, targeted therapy, and chemotherapy.

Prof. Serkan Keskin has over 25 years of experience and performed more than 1,100 procedures. He is a leading medical oncologist at Memorial Şişli Hospital.

• Ranked first in Turkey on the national oncology proficiency exam
• Specialized in advanced treatments like targeted therapy and immunotherapy
• Author of 42 articles in respected international medical journals
• Active member of both ASCO and ESMO – major global oncology societies
• Received the Best Poster Award at the National Cancer Congress

Expert in treating various cancers including breast, lung, and gastrointestinal adenocarcinoma at Hisar Hospital Intercontinental.

• Completed fellowship at Hacettepe University Cancer Institute
• Specializes in breast cancer, lung cancer, and gastrointestinal cancers
• Trained at The University of Texas MD Anderson Cancer Center

Dr. Sema Karakas is a gynecologic oncologist at Hisar Hospital Intercontinental in Istanbul. She specializes in scarless V-NOTES surgery for uterine and ovarian cyst removal. Dr. Karakas treats complex conditions like uterine, ovarian, and cervical cancers. She works at a JCI-accredited facility that serves over 250,000 patients annually.

• Performs scarless tubal ligation and hysterectomy using V-NOTES techniques.
• Treats HPV and performs diagnostic colposcopy, LEEP, and conization.
• Manages urinary incontinence using medical, laser, and surgical options.
• Provides surgical treatment for endometriosis and hysteroscopic polyp removal.

Over 400 pancreatic and gastric cancer surgeries – Prof. Peker specializes in complex gastrointestinal cancers at Hisar Hospital Intercontinental.

• Trained at Mayo Clinic in hepatopancreatobiliary surgery
• Founder of a Hepatopancreatobiliary Surgery unit in Turkey
• Performs liver, gallbladder, and bile duct surgeries
• Also experienced in obesity-metabolic surgery and kidney transplants

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 80 international publications and co-authorship in leading oncology handbooks.

• Member of European Society of Medical Oncology (ESMO)
• Expert in breast, gastrointestinal, and lung cancers
• Professor at Haliç University, Istanbul
• Trained at Mount Vernon Cancer Center in London
• Completed MBA in Healthcare Management

Dr. Mustafa Ozdogan is a professor and medical oncology specialist at Memorial Göztepe Hospital. He is the current President of the Antalya Breast Cancer Association. Dr. Ozdogan previously led oncology departments at Memorial Antalya and Medstar Antalya hospitals. He focuses on a multidisciplinary approach to complex cancer care.

• Sits on the board of the Turkish Society of Medical Oncology.
• Maintains active membership in ESMO and ASCO.
• Co-chairs the national working group for head and neck cancers.
• Works at Memorial Göztepe, which features MR Linac and robotic surgery systems.

Dr. Seref Komurcu is a medical oncologist at Anadolu Medical Center in Istanbul. He specializes in treating breast, lung, colorectal, and solid cancers. Dr. Komurcu holds both ECFMG and ESMO certifications. He previously served as a professor at Gülhane Military Medical Academy.

• Published over 110 scientific papers on cancer management.
• Provides immunotherapy, targeted therapy, and chemotherapy treatments.
• Member of the American Society of Clinical Oncology.
• Works at a clinic affiliated with Johns Hopkins Medicine.