Best Sigmoid adenocarcinoma doctors: TOP 97 doctors

Dr. Ilker Nihat Okten is a board-certified medical oncologist. He is accredited by the European Society of Medical Oncology (ESMO). Dr. Okten has worked as a sub-investigator in several phase III clinical trials. His work has helped advance cancer treatment. He specializes in chemotherapy, immunotherapy, targeted therapy, hormonal therapy, and palliative care.

He is a member of ESMO, ASCO, and the Turkish Society of Medical Oncology. Dr. Okten has published several articles in oncology. He is active in both research and clinical practice.

Dr. Raj Nagarkar is a leading Surgical Oncologist with 19 years of experience. He has performed over 50,000 cancer surgeries. His main focus areas are Breast and Thoracic Surgical Oncology. He is involved in more than 200 clinical trials and has contributed to many national and international publications.

Dr. Nagarkar trained in Surgical Oncology at Tata Memorial Hospital, Mumbai. He also holds an MRCS from the Royal College of Surgeons, Edinburgh. He teaches DNB Superspecialty Surgical Oncology and Breast Surgery at Maharashtra University of Health Sciences. Dr. Nagarkar is dedicated to improving the quality of life for his patients.

Professor Jorg Groticke is the Chief Physician of the Oncology and Hematology Center at Bremen Mitte Hospital, specializing in the treatment of hematological malignancies and gastrointestinal tract tumors. He is a member of multiple medical organizations, and offers remote consultations for second opinions.

Chief Physician of Helios Radiant Oncology Department

Dr. Huseyin Bektas is a Professor of Medical Sciences, Oncosurgeon and published author. He is a Member of the Association of Hepatobiliary and Pancreatic Surgery and a Teacher at the Hanover School of Medicine. He is also the Chief Physician at the Bremen-Mitte Hospital Department of General, Visceral and Oncological Surgery.

Dr. Abu Shamsiya Rami Nuamanovych is a specialist in general and laparoscopic surgery, oncology, and ultrasound diagnostics. He is a Candidate of Medical Sciences, an associate professor, and a doctor of the highest category. Dr. Nuamanovych is a member of the Ukrainian Association of Bariatric Surgeons and the World Organization of Bariatric Surgeons (IFSO).

He works as a WHO consultant on laparoscopic surgery. He is also President of the Association of Arab Doctors of Ukraine. Dr. Nuamanovych has performed thousands of surgeries, including hernia repairs, bariatric procedures, and cancer operations. His skills are recognized internationally. He speaks English and Arabic fluently.

Prof. Dr. med. Ulrich Graven

Head of the Clinic of Hematology, Oncology and Gastroenterology

Head of a certified oncology center

Head of Clinical Research Department

Specialization:

Hematology, including stem cell transplantation

Abdominal oncology, especially colorectal and pancreatic cancer therapy

Metastasis therapy, including the use of off-label drugs

Membership in professional societies:

Professional Union of German Therapists

German Society for Internal Medicine

German Cancer Society

Abdominal Oncology Working Group

German Society of Hematology and Oncology

German Working Group on Bone Marrow and Hematopoietic Stem Cell Transplantation

German Society for Digestive and Metabolic Diseases

European Society for Medical Oncology

American Society of Clinical Oncology

American Association for Cancer Research

Activities in professional communities:

German Cancer Society:

Since 2013, speaker of the commission for certification of oncology centers

Since November 2007, member of the board

Since September 2022, Speaker of the Section of National Societies on Cancer Control

Chairman of the working group on abdominal oncology of the German Cancer Society, drafting clinical guidelines for the treatment of colorectal and pancreatic cancer.

Chairman of the Oncology Society of North Rhine-Westphalia.

Member of the Colorectal Cancer Clinical Guidelines Working Group, European Society for Medical Oncology.

Member of the Scientific Council, National Cancer Registry at the Robert Koch Institute.

Chairman of the Regional Cancer Registry of the State of North Rhine-Westphalia.

Leading expert for clinical research, German Research Foundation and Federal Ministry of Research and Technology.

Member of the Commission on the Use of Medicines for Therapy "Off-Label", Federal Institute of Medicines and Medical Devices.

Member of the committee for the development of clinical guidelines for colorectal cancer.

Member of the commission on the development of approaches to metastasis and the use of palliative therapy in clinical guidelines for colorectal cancer.

Reviewer of scientific journals such as Journal of Cancer Research and Clinical Oncology, Tumor Diagnostik und Therapie, Der Schmerz, BMC Pharmacology, Onkologie, Strahlentherapie und Onkologie, International Journal of Colorectal Disease, Annuals of Oncology, European Journal of Cancer.

Dr. Ersin Öztürk, M.D., is a Professor of Medicine and an expert in General Surgery. His specialties include Surgical Oncology, Gastrointestinal and Laparoscopic Surgery, Obesity Surgery, Hernia Surgery, and Proctology. He holds a Ph.D. in Physiology. Dr. Öztürk completed his residency at Uludağ University and later conducted advanced research at the Cleveland Clinic Foundation in the USA.

He is currently a Professor at Medicana Bursa Hospital. Dr. Öztürk has also served as Assistant and Associate Professor at Uludağ University and as Professor at KTO Karatay University. He is known for his important work in surgical innovation and medical education in Turkey.

Dr. Sridhar P.S. is a skilled radiation oncologist. He earned his Bachelor of Medicine from Mysore University. He completed his MD in Radiotherapy at Banaras Hindu University. He also holds a Diplomate of the National Board in Radiotherapy. This shows his advanced training and dedication to quality care.

Dr. Sridhar is a member of several professional groups. These include the Association of Radiation Oncology of India, Society for Neuro-Oncology, Bangalore Oncology Group, and the Indian Association of Hyperthermia Oncology. He is known for his effective cancer treatments and focus on new therapies. His work has made a positive impact in the field of oncology.

Dr. Chaitainya Borde is a nuclear medicine specialist with 12 years of clinical experience. He is skilled in advanced nuclear scans, PET-CT imaging, and nuclear cardiology. He works in both diagnostic and therapeutic nuclear medicine.

Dr. Borde has performed over 30,000 PET scans. He has managed more than 1,000 thyroid cancer patients. He is experienced in radioiodine and Lu-177 RN therapies. He has also published research papers in respected medical journals, showing his dedication to academic work.

Dr. Shruti Kate is an experienced oncologist. She specializes in treating lung, breast, gynecological, and genitourinary cancers. She earned her MBBS from Lady Hardinge Medical College. She completed her MD in Internal Medicine at Maulana Azad Medical College. She also holds a DM in Medical Oncology from Tata Memorial Hospital, Mumbai.

Dr. Kate has managed both conservative and surgical cancer treatments. She is skilled in complex procedures such as the Whipple surgery. She is a member of several leading oncology societies, including ASCO, ESMO, IASCLC, ISMPO, and IOS. Her research on lung cancer received the only travel award from India at the 2018 World Conference on Lung Cancer.

Dr. Johann Ockenga is a Surgical Oncologist and Gastrointestinal Surgeon with 20 years of experience in treating various conditions, including Sigmoid adenocarcinoma, Hepatocellular Carcinoma, Hepatitis B, Liver Diseases, Immunology and Colon cancer. He is the Secretary of the German Society of Nutritional Medicine, has developed guidelines for nutritional medicine, and has contributed to various publications.

Oncosurgeon, specialist in the treatment of gastrointestinal tract organs