Eric A. Collisson, MD

Eric A. Collisson, MD, associate professor, Department of Medicine, University of California, San Francisco Helen Diller Comprehensive Cancer Center, discusses the difficulty of diagnosing cholangiocarinoma.

Eric A. Collisson, MD, associate professor, Department of Medicine, University of California, San Francisco Helen Diller Comprehensive Cancer Center, discusses the focus of clinical trial research and genetic testing in gastrointestinal (GI) cancers.