Andrew X. Zhu, MD, PhD Associate Professor, Department of Medicine, Harvard Medical School, Director, Liver Cancer Research, Medicine, Massachusetts General Hospital, Discusses Considering Whether Sorafenib Is Tolerable In Combination With I-O In HCC. At The 2019 Gastrointestinal Cancers Symposium In San Francisco, CA On Jan 17, 2019. http://obroncology.com