General Surgery · Acibadem Atasehir Hospital, İstanbul Assoc. Prof. Rıza Gürhan Işıl, MD
✓ Medically verified profileAssoc. Prof. Rıza Gürhan Işıl, MD
Assoc. Prof. Rıza Gürhan Işıl, MD is a General Surgery specialist at Acibadem Atasehir Hospital in İstanbul, focusing on pancreas, liver and biliary tract diseases, digestive system surgery, oncological surgery including liver, gallbladder, bile duct and small intestine cancers, cholecystitis, inguinal hernia and robotic surgery. He consults in Turkish and English and offers video consultations.
Accepting international patientsAbout Assoc. Prof. Rıza Gürhan Işıl, MD
Assoc. Prof. Rıza Gürhan Işıl, MD is a General Surgery specialist at Acibadem Atasehir Hospital in İstanbul. His subspecialty areas are the treatment of pancreas, liver and biliary tract diseases, digestive system diseases and surgery, and robotic surgery. He has more than 23 years of experience in medicine, spanning emergency medicine, family medicine, hemodialysis and general surgery.
Dr. Işıl graduated from İstanbul University Cerrahpaşa Faculty of Medicine in 2003. He worked as an emergency physician at Artvin Borcka SSK Hospital (2004–2005) and completed hemodialysis training at Göztepe Training and Research Hospital (2004–2005), followed by a postgraduate program in Health Institutions Management at Marmara University (2004–2006). From 2005 to 2009 he served as a hemodialysis physician at Eczacibasi Baxter RTS European Hemodialysis Center and, from 2006 to 2008, in family medicine at Istanbul Avcılar Ambarlı Health Center. He completed his General Surgery residency at Şişli Etfal Training and Research Hospital (2009–2014) and then worked as a General Surgery specialist at Okmeydani Training and Research Hospital (2014–2020). Between 2020 and 2022 he provided online consulting services (telemedicine) for Marm Assistance and Mapfre Insurance. He received his Associate Professorship in General Surgery in 2021, worked at Sporthopaedicum in Straubing, Germany (2023–2024), and obtained diploma equivalency from the Federal Republic of Germany in 2024. He joined Acıbadem Healthcare Services in 2025.
Clinical focus
Dr. Işıl’s clinical work centers on hepatobiliary, pancreatic and digestive system surgery, including oncological surgery. He evaluates and treats pancreatic diseases, liver diseases such as fatty liver disease and liver failure, and biliary tract diseases. His surgical practice includes liver cancer, gallbladder and bile duct cancers, small intestine cancer, and cholecystitis. He also treats inguinal hernia. Where appropriate, robotic surgery is considered among the surgical options after individual assessment.
He has co-authored peer-reviewed publications on topics including laparoscopic sleeve gastrectomy, preoperative endoscopy before bariatric surgery, inguinal hernia repair techniques and their effects on quality of life, the management of inguinal hernia in high-risk geriatric patients, acute cholecystitis, gastric cancer prognosis and recurrent pilonidal disease, published in journals such as Obesity Surgery, Surgical Endoscopy, Turkish Journal of Surgery and Annali Italiani di Chirurgia.
How Dr. Işıl works with international patients
Dr. Işıl consults in Turkish and English, and interpreters can be arranged for other languages. The Acibadem international patient team coordinates the collection of prior reports and imaging, such as MRI, CT or ultrasound reports, laboratory and pathology results, operative notes and discharge summaries, arranges appointments and organizes the hospital visit. A first consultation typically covers the patient’s history and symptoms, a review of existing imaging and previous treatments, a clinical examination and a discussion of the possible options. Video consultation is available for international patients who wish to discuss their case before traveling.
What Dr. Işıl treats and performs
Each item opens the condition or treatment page with the care pathway for international patients.
Areas of practiceTreatment of pancreas, liver and biliary tract diseasesDigestive system diseases and surgeryRobotic surgery
Conditions treated
- Pancreatic diseases
- Liver diseases
- Fatty liver disease
- Biliary tract diseases
- Gallbladder and bile duct cancers
- Cholecystitis
- Inguinal hernia
- Liver cancer
Education, career and memberships
Education & training
Education
- 2024Federal Republic of Germany Diploma Equivalency
- 2021Associate Professorship in General Surgery
- 2014Şişli Etfal Training and Research Hospital General Surgery
- 2004–2006PhD: Marmara University Health Institutions Management, Master's Program
- 2004–2005Göztepe Training and Research Hospital, Hemodialysis Training
- 2003İstanbul University Cerrahpaşa Faculty of Medicine
Career
Professional Experience
- 2025Acıbadem Healthcare Services
- 2023–2024Sporthopaedicum, Straubing, Germany
- 2020–2022Online Consulting Service for Marm Assistance and Mapfre Insurance. ( Telemedicine )
- 2014–2020General Surgery Specialist : Okmeydani Training and Research Hospital
- 2009–2014General Surgery Residency: Sisli Etfal Training and Research Hospital
- 2006–2008Family Medicine : Istanbul Avcılar Ambarlı Health Center Istanbul, Türkei
- 2005–2009Hemodialysis Physician (Eczacibasi Baxter RTS European Hemodialysis Center
- 2004–2005Emergency Physician : Artvin Borcka SSK Hospital
Selected publications
Selected Publications
- Effect of Resection Distance from Pylorus on Weight Loss Outcomes in Laparoscopic Sleeve Gastrectomy Obes Surg. 2019 May 21. doi: 10.1007/s11695- 019-03923-3. Avlanmis O, ISIL RG, Burcu B.
- What is the Effect of Treatment Modality on Red Blood Cell Distribution Width in Patients with Acute Cholecystitis? Turkish Journal of Surgery. Doi: 10.5152 /UCD.2015.2803. Yazici P, Demir U, Bozdag E, Bozkurt E, Isil G, Bostanci O, Mihmanli M.
- Should We Perform Preoperative Endoscopy Routinely in Obese Patients Undergoing Bariatric Surgery? Bariatric Surgical Practice and Patient Care. Doi: 10.1089/bari.2015.0050. Mihmanli M, Yazici P, ISIL RG, Tanik C.
- Postoperative Effects of Laparoscopic Sleeve Gastrectomy in Morbidly Obese Patients With Type 2 Diabetes Springer Plus. Doi: 10.1186/s40064-016-2167-8. Mihmanli M, Isil RG, Bozkurt E, Demir U, Kaya C, Bostanci O, Isil CT, Sayin P, Oba S, Oztürk FY, Altuntas Y.
- Effects of totally extraperitoneal and lichtenstein hernia repair on men’s sexual function and quality of life Surg Endosc. 2019 Jun 3. doi: 10.1007/s00464-019-06857- 0. ISIL RG, Avlanmis O.
- Effects of Laparoscopic Sleeve Gastrectomy on Parathyroid Hormone, Vitamin D, Calcium, Phosphorus, and Albumin Levels Obesity Surgery. Doi: 10.1007/s11695-017-2747-x. Mihmanli M, Isil RG, Isil CT, Omeroglu S, Sayin P, Oba S, Ozturk FY, Altuntas Y.
- Comparative Analysis of Laparoscopic Sleeve Gastrectomy and Roux-En-Y Gastric Bypass Procedures For The Treatment Of Morbid Obesity Annali Italiani di Chirurgia Isil RG, Mihmanli M, Yazici P, Isil CT, Demir U, Kaya C, Bostanci O.
- The Role of Red Cell Distribution Width in the Prognosis of Patients with gastric Cancer. Cancer Biomark. 2017;18(1):19-25. doi: 10.3233/CBM-160668. Yazici P, Demir U, Bozkurt E, Isil RG, Mihmanli M.
- Approach to Inguinal Hernia in High-risk Geriatric Patients: Should it be Elective or Emergent? Turkish Journal of Trauma and Emergency Surgery. Doi: 10.5505/tjtes.2016.36932. ISIL RG, Yazici P, Demir U, Kaya C, Bostanci O, Idiz UO, Isil CT, Demircioglu MK, Mihmanli M.
- Less is more: “Incision and Curettage” as an Optimal Procedure for Recurrent Pilonidal Disease Annali Italiani di Chirurgia 2015;86:575-579. Demir U, Yazici P, Bostanci O, Kaya C, Isil RG, Mihmanli M.

