Description:

This trial is designed to study a combination of interventions (chemotherapy, immunotherapy, and radiation) as a potential new treatment for bile duct cancer that cannot be removed with surgery. The specific names of the interventions that will be used are: Y-90 (a type of radiation microsphere bead) Durvalumab (a type of immunotherapy) Gemcitabine (a type of chemotherapy) Cisplatin (a type of chemotherapy)