Los Angeles-Area Sarcoma and Musculoskeletal Tumor Team

Lee Cranmer, M.D., is a Professor & Section Chief of Sarcoma Medical Oncology, Department of Medical Oncology and Therapeutics Research.

John A. deVries, M.D., M.S. is an assistant clinical professor and Division Chief, Division of Orthopedic Surgery, Department of Surgery.

Yu Liang, M.D., Ph.D., is an assistant clinical professor, Department of Pathology at City of Hope.


Adam Rock, M.D., is a medical oncologist with a focus on lung cancer at City of Hope's main hospital in Duarte, California.

Sagus Sampath, M.D., Radiation Oncologist | City of Hope, Los Angeles, California.

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.

Janet Yoon, M.D., is a clinical professor and medical director of the Pediatric Musculoskeletal Tumor Program, Department of Pediatrics at City of Hope Duarte.