Surgical Oncology Team
Our surgical oncologists are renowned experts in performing biopsies and other surgical procedures for diagnosing and treating cancer.
Leadership
Laleh G. Melstrom, M.D., M.S., specializes in melanoma and pancreatic cancers.
Yuman Fong, M.D., is an internationally recognized expert in cancer of the liver, pancreas, gallbladder and bile ducts. He has led the research effort to employ genetically modified viruses to destroy cancer cells.
I. Benjamin Paz, M.D., is a nationally renowned surgical oncology surgeon, with expertise in breast cancer, gastrointestinal and rectal cancers, and tumors involving the bone and soft tissues.
Mustafa Raoof, M.D., M.S., is a surgical oncologist and an assistant professor in the Department of Surgery and in the Department of Cancer Genetics and Epigenetics.
Gagandeep Singh, M.D., is an internationally recognized liver and pancreas surgeon. He is the surgical director of the Neuroendocrine Tumor Program.
Vijay Trisal, M.D., the Dr. Norman & Melinda Payson Professor in Medicine and chief medical officer at City of Hope, is an advocate for individualized patient care and expanding access to City of Hope’s advanced therapies and specialized physicians across local communities.
William Tseng, M.D., is a surgical oncologist who specializes in soft tissue sarcoma. He is recognized for his expertise in retroperitoneal sarcoma, liposarcoma and atypical lipomas.
Yanghee Woo, M.D., is director of the Gastroenterology Minimally Invasive Therapy Program.
Aziz Ahmad, M.D., is a surgical oncologist in City of Hope's Glendora location.
Moshe Faynsod, M.D., is surgical oncologist at City of Hope ǀ South Bay in Torrance, California.
Bradford Kim, M.D., M.H.S., is an assistant clinical professor in the Division of Surgical Oncology, Department of Surgery.
Aaron Lewis, M.D., is a surgeon at City of Hope's South Pasadena and Arcadia locations, specializing in general oncologic surgery.
David Litvak, M.D., M.B.A., is an assistant clinical professor, Department of Surgery.
Specializing in bioengineering and tumor micro-environment in cancer development and progression, Andrew Nguyen, M.D., is an assistant clinical professor in the Division of Surgical Oncology in the Department of Surgery at City of Hope.
Yih-Dar Nien, M.D., is a cancer surgeon at City of Hope's Antelope Valley and Santa Clarita locations.
Heather Player, M.D., is breast and colon cancer surgeon and an assistant clinical professor in the Division of Surgical Oncology at City of Hope. She practices at City of Hope | Antelope Valley and Mission Hills.
Hans Schoellhammer, M.D., is a surgical oncologist and melanoma expert at City of Hope.
Gagandeep Singh, M.D., is an internationally recognized liver and pancreas surgeon. He is the surgical director of the Neuroendocrine Tumor Program.