Immunotherapy for liver cancer can enhance cancer-fighting immune system responses. As director of the Liver Tumor Program at Perlmutter Cancer Center, Dr. Theodore H. Welling, MD, has established a multidisciplinary approach to treating patients who have bile duct cancer, liver cancer, and liver metastases, which is cancer that has spread from the liver to other parts of the body.
![](https://i.ytimg.com/vi/fGnlzRx1lb0/maxresdefault.jpg)