Dr. Abdelrahim is a gastrointestinal medical oncologist and transplant oncologist with unique experience in malignancies treated by liver transplantation. He is the section chief of GI medical oncology at Houston Methodist Neal Cancer Center. He is heavily involved in the transplant oncology field and have been one of the pioneers in the field. He has published more than 230 original research articles, review articles, and book chapters in prestigious journals and publishing groups. He is a member of the American Society of Clinical Oncology, Society for Immunotherapy of Cancer, Cholangiocarcinoma Foundation, European Society for Medical Oncology, and International Liver Transplant Society