how did robert redford's son die

Robert Redford's son, James Redford, died from bile duct cancer, a type of liver cancer, at the age of 58. James had battled liver disease for more than 30 years and underwent two liver transplants in the 1990s. The cancer was discovered while he was awaiting another liver transplant, after his liver disease had returned two years prior to his death. Bile duct cancer, also known as cholangiocarcinoma, is a rare cancer that forms in the bile ducts connected to the liver. James Redford was also known for his work as a filmmaker and activist, and he founded an institute focused on transplant awareness.