Page 3 - Best Sigmoid adenocarcinoma doctors: TOP 94 doctors

Associate Professor since 2016, Dr. Ozatli brings academic rigor to treating gastrointestinal cancers at Istinye University Liv Hospital Bahcesehir.

• Specializes in breast, lung, and gastrointestinal cancers
• Internal medicine specialist with experience across multiple hospitals
• Practiced oncology at Ankara Oncology Clinic and Erzurum Regional Training Hospital
• Trained at Selcuk University's Faculty of Medicine

Assoc. Prof. Nail Paksoy specializes in medical oncology at Medipol Bahcelievler Hospital, with a focus on gastrointestinal cancers.

• ESMO Board Certified in Medical Oncology
• Participated in international clinical trials for colorectal cancer treatments
• Published research on FLOT regimen for metastatic gastric cancer

Dr. Mariam Mohammed Hussein Abu Zeid is a clinical oncologist. She treats solid tumors and hematologic cancers. She earned her MBBCh from Ain Shams University in 2007 (Excellent). She completed a Master’s in Clinical Oncology and Nuclear Medicine in 2011 (Very Good). She received a Ph.D. in 2018 and an ESMO Certificate in 2015.

She leads and monitors clinical trials. Her work includes data collection and analysis. She administers chemotherapy and manages treatment toxicities. She also plans care with multidisciplinary teams. Her experience includes Ain Shams University Hospitals (2009–2012), the International Medical Center (2012–2014), and Wadi El Nile Hospital (2015–2019). Her roles covered diagnosis and staging, supportive care, quality improvement, and screening. She educates patients and families about the diagnosis, treatment options, and palliative care.

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.

Specialized in laparoscopic surgery for sigmoid adenocarcinoma – trained at Istanbul University's top programs.

• Over 16 years of experience of surgical experience
• Advanced training in laparoscopic bariatric and oncological cancer surgery
• Performs minimally invasive procedures for better recovery

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. Mustafa Serkan Alemdar is a Medical Oncology specialist with a strong academic background and extensive hospital experience.

• Trained at Akdeniz University – one of Turkey's leading medical schools
• Specializes in Internal Medicine and Medical Oncology
• Years of experience across multiple prestigious hospitals
• Focused on comprehensive cancer care and treatment

Professor Shixin Liu, MD, PhD, is the Discipline Leader of the Oncology Center. He is the former President of Jilin Provincial Cancer Hospital and former Director of the Cancer Prevention and Treatment Research Institute. He is a second-level professor and doctoral supervisor. He has received the State Council Special Government Allowance, the 4th National Famous Doctor (Outstanding Contribution) award, and the Model of Medical Ethics honor.

He specializes in the comprehensive diagnosis and treatment of malignant tumors. His focus is precision radiotherapy for thoracic and abdominal cancers. He is skilled in IMRT, VMAT, and SBRT for lung, esophageal, breast, and rectal cancers.

His leadership roles include Vice Chair of CMA Radiation Oncology, CACA Radiotherapy, and CACA Particle Therapy. He serves on the CSCO Standing Committee and as Vice Chair of the CSCO Radiation Oncology Expert Committee. He is Vice Chair of CPAM Radiation Oncology and a Standing Committee member of CSMEA. He chairs the Jilin Medical Association Radiation Oncology branch. He is on the editorial boards of the Chinese Journal of Radiation Oncology and the Practical Journal of Cancer.

49 years of experience in immunology with a focus on virotherapy – Dr. Jaunalksne leads the Clinical Immunology Center at Pauls Stradins Clinical University Hospital.

• Specializes in one of the newest immunology fields
• Graduate of Riga Medical Institute
• Internship in Internal Medicine
• Head of Clinical Immunology Center

Dr. Alon Pikarsky has taught and trained new surgeons for over 39 years of experience at Hadassah Medical Center's top-rated department.

• Senior Lecturer in Surgery since 2005
• Residency Program Director since 2000 – shaping future surgeons
• Board-certified in General Surgery with a subspecialty in Colorectal Surgery
• Israel Board Certified in General Surgery since 1998
• Long-standing member of multiple professional surgical associations

Prof. Thomas W Kraus has performed 3,000+ surgical interventions for bowel diseases, specializing in complex gastrointestinal oncology cases at Nordwest Clinic.

• Nationally recognized expert in pancreatic and hepatobiliary surgery
• Founder and Director of the German Society 'Art of Surgery'
• Uses minimally invasive techniques like intraoperative sonography
• Trained at top cancer centers including Johns Hopkins and Memorial Sloan-Kettering
• Recipient of multiple international awards for surgical excellence

Specializes in oncological surgeries, particularly colon cancer, with a focus on complex cases at Büyük Anadolu Hospitals.

• Expert in pancreatic and bile duct surgeries
• Performs advanced bariatric and metabolic surgeries
• Skilled in breast and thyroid cancer procedures

Dr. Emad Shash, M.B.B.Ch, MSc, M.D., is a medical oncologist. He is the Medical Director of the Breast Comprehensive Cancer Hospital at NCI. He leads the Medical Oncology Department and is the Breast Program Director at Shifaa Al Orman Cancer Hospital in Luxor. His clinical focus includes breast, gynecologic, genitourinary, thoracic, gastrointestinal, and rare cancers. He specializes in systemic therapy, including chemotherapy, targeted therapy, and immunotherapy.

He served as coordinating research physician and medical lead at the EORTC from 2011 to 2015. Since 2008, he has contributed to more than 70 international oncology trials as a coordinator, sub-investigator, principal investigator, and sponsor medical monitor. Credentials include M.B.B.Ch (2004), MSc (2010), MD (2015), and the EORTC Certificate of Excellence (2015). He also holds a Diploma in Hospital Quality Management & Patient Safety (JCI/57357, 2017). He is a Fellow of the EIO. He is a member of ESMO (panel voting), ESGO, and ASCO (IAC), and serves on the ECRIN board.

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. Maha Yahia is a medical oncologist and hemato-oncologist. She provides assessment, diagnosis, and treatment planning. Her treatments include chemotherapy, targeted therapy, and immunotherapy. She cares for patients with breast, genitourinary, gynecologic, thoracic, gastrointestinal, and rare cancers.

Education: M.B.B.Ch, Kasr El-Aini, Cairo University (1997–2003). Master in Hemato-oncology, National Cancer Institute, Cairo University (2008). Doctoral Degree in Hemato-oncology, National Cancer Institute, Cairo University (2015).

Experience: Resident in Medical Oncology, Maadi AFMC (2005–2010). Visitor Resident, NCI Cairo (2008–2009). Consultant Assistant, Prof. Hussein Khaled Clinic (2010–2017). Specialist, International Medical Center (2011–2012), Wadi El Nile Hospital (2013–2014), and Maadi AFMC (2011–2018). Head, Clinical Research Support Team, Maadi AFMC (2016–2018). Major (2014–2016) and Lt. Colonel Doctor (2016–2018), Egyptian Armed Forces. Lecturer of Clinical Research, AFCM (2019–2021).

Dr. Mohamed Mahmoud Abdelhakim is Head of Radiation Oncology at Shefa al Orman Hospital, Luxor. He is Professor of Radiation Oncology at the National Cancer Institute, Cairo University. He previously served as Associate Professor (2015–2020), Lecturer (2010–2015), Assistant Lecturer (2003–2009), and Resident (2000–2003). He also worked as a Specialist at Gharbia Cancer Society.

He treats inpatients and outpatients with breast, soft tissue sarcoma, lymphoma, gynecologic, gastrointestinal, genitourinary, and CNS tumors. His skills include image-guided brachytherapy, IMRT, VMAT, SRS, and SBRT. He performs conventional and CT-based planning and 3D-CRT. He works with cobalt and linear accelerators and electron beam therapy. He provides HDR and LDR intracavitary and interstitial brachytherapy. He also performs stereotactic radiotherapy, total body irradiation, and total skin irradiation.

Member: Egyptian Cancer Society, ESTRO, ESMO.

15,000+ surgical procedures performed – Dr. de Lacy is a pioneer in minimally invasive techniques for colon and rectal cancer at Hospital Quiron Barcelona.

• Performs 1,000+ interventions annually using laparoscopic and robotic surgeries
• World's first to perform TaTME for rectal cancer
• President of the Association of Surgeons-Endoscopists in Europe
• Lecturer on advanced laparoscopy techniques internationally