Patients with biliary tract cancers may present with symptoms such as jaundice, dark urine, clay-colored stool, abdominal pain, fever, pruritus, nausea and vomiting, and weight loss. Diagnostic evaluation includes liver function tests and other laboratory testing, along with various imaging methods -- CT, MRI, ultrasound.

NFL Hall of Fame wide receiver Randy Moss told fans worried about his health that he's a "cancer survivor" in an Instagram livestream Friday afternoon.