Best Colectomy (large bowel resection) oncologists: TOP 98 doctors

Dr. Sertkaya graduated from Konya Meram Science High School in 2001 and entered Gazi University Medical Faculty the same year, graduating in 2008. He completed his urology specialization at Haydarpaşa Numune Training and Research Hospital in 2014, becoming a urology specialist.

Since becoming a specialist, he has focused on the sub-branch of Andrology, attending various training sessions and conferences and performing surgeries with some of the world's leading Andrology professors. In 2017, he passed the written and oral proficiency exams conducted by the European Association of Urology, earning the title of "FEBU."

In 2020, Dr. Sertkaya achieved the rank of Associate Professor of Urology. His journey in Urology and Andrology, which began in 2008, continues at the Andro Expertise Male Health and Aesthetics Center, which he founded in 2022. He sees patients in his own clinic and performs surgeries at affiliated hospitals.

• Surgical treatment: laparoscopic operations to remove all types of hernias (inguinal hernias, femoral hernias, umbilical hernias, postoperative ventral hernias, esophageal opening of the diaphragm and other types of abdominal wall hernias).

• Treatment of gallstone disease, removal of the gallbladder (cholecystectomy), stones in the ducts.

• Operative treatment for acute conditions (acute appendicitis, acute cholecystitis, perforating ulcer, perforation of a diverticulum, intestinal obstruction, purulent-septic diseases), all conditions of "acute abdomen".

• Treatment of oncological diseases of the stomach, intestines and other organs of the abdominal cavity and retroperitoneal space.

• Treatment of varicose veins of the legs.

• Operative treatment of obesity (bariatric surgery) and metabolic dysfunction.

• Colitis, hemorrhoids, anal itching, fissures, constipation and diarrhea, anal sphincter weakness, anal sphincter incontinence due to rupture of the perineum after childbirth.

• Abdominal injuries.

• Perianal condylomas.

• Polypos.

• Proctitis, paraproctitis and others.

Member of SICOB - Italian Society of Obesity Surgery and ACOI - Association of Italian Hospital Surgeons                                               

Dr Braun is a board-certified general surgeon with over 25 years of experience specializing in gastrointestinal surgery, particularly in the treatment of gastroesophageal reflux disease (GERD) through Fundoplication surgery. He has performed over 500 successful Nissen and Toupet Fundoplication procedures, with a focus on minimally invasive laparoscopic techniques. His expertise extends to diagnosing complex cases of GERD and offering comprehensive treatment plans to improve patient outcomes.

He has carried out his main training experiences in various international institutions and specialization courses in general and digestive system surgery, including a two-year training internship at Johns Hopkins University, Division of Hepatobiliary Pancreatic Surgery and numerous courses in Madrid, with Prof. E. Moreno Gonzales (Curso Internacional de Actualizaciòn en chirurgia General y del Aparato Digestivo) or in New Orleans (Medical Education at the 90th Annual Clinical Congress of the American College of Surgeons).

Dr. Braun has extensive expertise in the field of digestive surgery. He has focused on implementing advanced protocols and optimizing surgical techniques, while maintaining high standards of safety and patient care. He has collaborated with a multidisciplinary team to provide an integrated and personalized approach in the management of obese or digestive disorder patients, improving quality of life and reducing post-operative complications.

Was born in 1981 in Erzincan. After finishing Beşiktaş Atatürk Anadolu High School in 1999 entered Istanbul University Çapa, Faculty of Medicine. 

In 2005 I got his Master Degree and started as a practitioner at Yüksekova State Hospital. He got his Doctorate at Okmeydanı Training and Research Hospital in General Surgery department. As a General Surgery Specialist, he worked at Zonguldak Atatürk State Hospital for 5 years and at Sancaktepe Şehit Prof. Dr. İlhan Varank Training and Research Hospital for 3 years. 

Worked as an Assistant Professor at Istanbul Medipol University, Department of General Surgery. Currently working at Medipol University Pendik Hospital. 

Experience 

• 2016 - 2017

İSTİNYE UNIVERSITY FACULTY OF MEDICINE

• 2016 - 2017

Liv Hospital

• 2016 - 2017

Liv Hospital Ulus

• 2015 - 2016

Acıbadem Bodrum Hospital

• 2014 - 2015

Tatvan State Hospital

• 2013 - 2015

Tatvan State Hospital

• 2012 - 2013

CLEVELAND CLINIC

• 2007 - 2014

Dokuz Eylul University Faculty of Medicine

Education 

• 2013

DOKUZ EYLÜL UNIVERSITY FACULTY OF MEDICINE, FACULTY OF MEDICINE/DEPARTMENT OF SURGICAL MEDICAL SCIENCES/DEPARTMENT OF GENERAL SURGERY

• 2013

Dokuz Eylül University, General Surgery

• 2007

AKDENİZ UNIVERSITY, FACULTY OF MEDICINE

• 2007

International Peer-Reviewed Journal Articles:

Title: The impact of sarcopenia on morbidity and long-term survival among patients with peritoneal metastases of colorectal origin treated with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy: a 10-year longitudinal analysis of a single-center experience.

• Authors: AĞALAR CİHAN, SÖKMEN SELMAN, ARSLAN ÖZŞAHİN NACİYE ÇİĞDEM, ALTAY CANAN, BAŞARA AKIN IŞIL, CANDA ARAS EMRE, OBUZ FUNDA
• Journal: Techniques in Coloproctology
• Year: 2020
• Volume: 24(4)
• Pages: 301-308
• DOI: 10.1007/s10151-020-02159-z
• Publication Number: 6776368

Title: Randomized controlled trial of 8 weeks’ vs 12 weeks’ interval between neoadjuvant chemoradiotherapy and surgery for locally advanced rectal cancer.

• Authors: Terzi Cem, Bingül Mustafa, ARSLAN NACİYE ÇİĞDEM, ÖZTÜRK ERSİN, CANDA ARAS EMRE, IŞIK ÖZGEN, YILMAZLAR AHMET TUNCAY, OBUZ FUNDA, Görken Birkay, KURT MERAL, ÜNLÜ ŞADİYE MEHTAT, UĞRAŞ NESRİN, Kanat Özkan, ÖZTOP İLHAN
• Journal: Colorectal Disease
• Year: 2020
• Volume: 22(3)
• Pages: 279-288
• DOI: 10.1111/codi.14867
• Publication Number: 6012919

Title: The effect of fibrin glue in preventing staple-line leak after sleeve gastrectomy: an experimental study in rats.

• Authors: ÖZDENKAYA YAŞAR, OLMUŞÇELİK OKTAY, BASIM PELİN, SAKA BURCU, ARSLAN NACİYE ÇİĞDEM
• Journal: Acta Cirurgica Brasileira
• Year: 2019
• Volume: 34(8)
• Publication Number: 5242669

Title: Treatment of intraoperatively detected peritoneal carcinomatosis of colorectal origin with cytoreductive surgery and intraperitoneal chemotherapy.

• Authors: CANDA ARAS EMRE, ARSLAN NACİYE ÇİĞDEM, Terzi Cem, Sokmen Selman, YAVUZŞEN TUĞBA, Ozkardesler Sevda, Unlu Mehtat, OBUZ FUNDA, FÜZÜN MEHMET
• Journal: World Journal of Surgical Oncology
• Year: 2018
• Volume: 16(1)
• Pages: 70-74
• DOI: 10.1186/s12957-018-1369-7
• Publication Number: 4863133

Title: Magnetic resonance-based pelvimetry and tumor volumetry can predict surgical difficulty and oncologic outcome in locally advanced mid–low rectal cancer.

• Authors: Atasoy Gulsen, ARSLAN NACİYE ÇİĞDEM, Elibol Funda, SAĞOL ÖZGÜL, OBUZ FUNDA, SÖKMEN SELMAN
• Journal: Surgery Today
• Year: 2018
• Volume: 48(12)
• Pages: 1040-1051
• DOI: 10.1007/s00595-018-1690-3
• Publication Number: 4863005

Title: Is advanced age a hesitation for cytoreductive surgery and hyperthermic intraperitoneal chemotherapy in colorectal cancer?

• Authors: Terzi Cem, Sokmen Selman, ARSLAN NACİYE ÇİĞDEM, Ozkardesler Sevda, DURAL CEMIL, OBUZ FUNDA, CANDA ARAS EMRE, GÖKTÜRK ÜMIT KELEŞTEN
• Journal: International Journal of Surgery
• Year: 2018
• Volume: 51
• Pages: 156-160
• DOI: 10.1016/j.ijsu.2018.01.010
• Publication Number: 4855751

Contributions to Conferences:

Title: Outcome of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for colorectal cancer: A single-center experience.

• Authors: CANDA ARAS EMRE, Sokmen Selman, Terzi Cem, ARSLAN NACİYE ÇİĞDEM, OBUZ FUNDA
• Conference: European Society of Surgical Oncology (ESSO) Congress
• Year: 2018
• Location: Budapest, Hungary

Title: Predictive factors for conversion to open surgery in laparoscopic colorectal surgery.

• Authors: ARSLAN NACİYE ÇİĞDEM, Terzi Cem, Sokmen Selman, CANDA ARAS EMRE, OBUZ FUNDA
• Conference: European Association for Endoscopic Surgery (EAES) Congress
• Year: 2017
• Location: Frankfurt, Germany

Dr Ahmed M. Ammar 

Consultant Laparoscopic and Bariatric Surgeon

Lecturer of General and Laparoscopic Surgery 

Faculty of Medicine, Cairo University

MB Bch, MSc Surgery, MD Surgery, MRCS England 

Member of the European Hernia Society 

Dr Ammar has a 10 year experience in practicing general and laparoscopic surgery. He is specialized in laparoscopic procedures involving laparoscopic repairs of different types of hernias, bariatric procedures, biliary procedures. 

Surgeries are performed in the best hospitals well known for its safety and hospitality standards, using the best laparoscopic instruments and setting. 

A lifelong follow up of our patients is always provided

Education and Career

2011 – 2015, (Internal Medicine Specialist) Istanbul University Istanbul School of Education and Career

Medicine Department of Internal Medicine

2015 – 2016, (Internal Medicine) Specialist Istanbul Haydarpasa Numune Training and Research Hospital

2016 – 2019, (Medical Oncology) Istanbul University Istanbul School of Medicine Department of Medical Oncology

2019 – 2021, (Medical Oncology Specialist) - Istanbul Haydarpasa Numune Training and Research Hospital

2021 – 2024, (Associate Professor) Marmara University School of Medicine Department of Medical Oncology

Memberships in Scientific Organizations

ASCO

ESMO

TTOD 

AVOD 

Publications

In the field of oncology, he has published over 30 peer-reviewed articles at both international and national levels.

Awards Received

EAACI The European Academy of Allergy and Clinical Immunology 2019 Best Poster Award

"The top 3rd verbal presentation, IGICC (11th International Gastrointestinal Cancers Conference – IGICC2021)"

Speeches Delivered at National Congresses, Conferences, and Symposia:

Courses, Meetings, and Certificates

ESMO certified Medical Oncologist since 2019

Experience

Hospitalpark Darıca Hospital

Çarşamba State Hospital (1987-2004)

Arapgir State Hospital

Incirli Hospital (1983-1985)

Education

Istanbul University Cerrahpaşa Faculty of Medicine

Istanbul University Cerrahpaşa Faculty of Medicine General Surgery Specialization

Vocational Trainings, Courses and Conferences Attended

National Surgery Congress

Laparoscopic Surgery Course and Congresses

Professional Memberships

Laparoscopic Surgery Association

National Association of Surgery

Turkish Medical Association

Specializations

Cancer Surgery

Pancreatic Surgery

Bile Duct Surgery

Bariatric Metabolic Surgery

Oncological Surgery

Breast Surgery

Gastric cancer

Colon cancer

Thyroid Cancer

Obesity Surgery

Diabetes Surgeries

Specializations

Oncological Surgery

Obesity and Type 2 Diabetes Surgery

Anorectal Diseases Surgery and Treatment

Stomach Hernia Surgery

Colon and Rectum Surgery

Breast Diseases and Cancer Treatment

Thyroid and Parathyroid Diseases Treatment

Treatment of Stomach and Gallbladder Diseases

Specializations

Obesity Surgery

Metabolic Surgery

Oncological Surgery

Breast Diseases and Cancer Treatment

Anorectal Diseases Surgery and Treatment

Treatment of Inguinal and Abdominal Wall Hernias

Thyroid and Parathyroid Diseases Treatment

Treatment of Stomach and Gallbladder Diseases

Specializations

Liver and Gallbladder Diseases Surgery

Treatment and Surgery of Stomach and Small Intestine Diseases

Colon and Rectum Surgery

Treatment and Surgery of Anorectal Diseases (Hemorrhoids etc.)

Surgical Treatment of Abdominal Wall Hernias

Inguinal Hernia Surgery

Thyroid Diseases and Surgery

Breast Diseases and Cancer Treatment

Specializations

Obesity Surgery

Metabolic Surgery (Type 2 Diabetes Surgery)

Laparoscopic Cholecystectomy

Laparoscopic Reflux Surgery

Laparoscopic Appendectomy

Thyroid and Breast Surgery

Colon and Rectum Surgery

Stomach Surgery

Hemorrhoid Surgeries

Dr. Freygant is the head of the General Surgery Department, where general and oncological surgery procedures are performed using modern techniques and methods. The department specializes in gallbladder, hernia and varicose veins surgeries. Hernia surgeries are performed using a tension-free method using a plastic mesh, in accordance with the standards of modern surgery.

We provide our patients with the best possible stay conditions, full safety of surgical procedures and exceptionally caring care from a qualified team of specialists - doctors and nurses, whose work is managed by the doctor. Krzysztof Freygant.

The ward has 12 beds in high-standard rooms. Hospitalization takes place in air-conditioned, 2- and 3-person rooms with a bathroom, access to TV and free Internet.

• AREAS OF INTEREST
• Abdominal lining cancers
• Gastric cancer
• Colon rectum cancer
• pancreatic cancer
• breast cancer diseases
• Thyroid cancer diseases
• Liver gallbladder surgery
• Laparoscopic cancer surgery

• Education
• 1993 Ondokuzmayıs University Faculty of Medicine
• 2000 Ankara University Faculty of Medicine Medical Specialization
• 2007 Ankara University Surgical Oncology Sub-branch Specialization

• Experience
• 1995-2000 Ankara University Faculty of Medicine Department of General Surgery Res.Asst.
• 2001-2002 Cumhuriyet University Faculty of Medicine Department of General Surgery Lecturer
• 2002-April 2004 Cumhuriyet University Faculty of Medicine Department of General Surgery Assoc. Prof.
• 2004- October 2007 Ankara University Faculty of Medicine, Surgical Oncology Subspecialty Training
• October 2006 Cumhuriyet University Faculty of Medicine, Department of General Surgery, Associate Professor
• January 2012 Cumhuriyet University Faculty of Medicine, Department of General Surgery, Professor

• Memberships in Scientific Organizations
• Surgical Oncology Association, Turkish Surgical Association
• Turkish Colon and Rectal Surgery Association
• National Vascular Surgery Association, Turkish Medical Association
• Refereeing in Scientific Journals
• Turkish Journal of Surgery
• Turkish Clinics Journal of Medical Sciences
• Cumhuriyet Medical Journal  
• Dicle Medical Journal

• Awards
• Best Research Award (E19)
• Surgical Oncology Congress (Istanbul, 2003)
• Poster 3rd Place Award (E7)
• Poster 1st Place Award (E51)
• Clinical Enteral Parenteral Nutrition
• Congress (Istanbul, 2000)
• TÜSAD (Çeşme 2012)
•  
•  
• Education and Training:
• Medical Degree: Graduated from Ankara University Faculty of Medicine.
• Specialization in General Surgery: Completed residency at Ankara University Faculty of Medicine from 1995 to 2000.
• Subspecialty in Surgical Oncology: Advanced training in Surgical Oncology at Ankara University from 2004 to 2007.

• Professional Experience:
• Academic Roles: Served as Assistant Professor and Associate Professor at Cumhuriyet University Faculty of Medicine, contributing significantly to medical education and research from 2001 to 2004.
• Current Position: Practicing at İstinye University Hospital Medical Park Gaziosmanpaşa, Istanbul, where he provides expert surgical oncology and general surgery services.

• Areas of Expertise:
• Cancer Surgery: Specializes in colorectal, gastric, pancreatic, and liver cancers, with extensive experience in managing complex oncological cases.
• General Surgery: Expertise in treating conditions such as gallstones, hernias, thyroid disorders, and gastrointestinal diseases.
• Advanced Surgical Techniques: Proficient in minimally invasive laparoscopic and robotic surgeries, ensuring better outcomes and quicker recovery for patients.

• Achievements and Recognition:
• Published Research: Authored numerous articles in prestigious medical journals, contributing to advancements in surgical oncology.
• Professional Awards: Recipient of the Best Research Award at the Surgical Oncology Congress in Istanbul (2003) and a Poster Award for his contributions to cancer research.