Case Presentation: A 70 year old male with metastatic malignant melanoma on immunotherapy with nivolumab and ipilimumab was sent to the hospital by his oncologist for abdominal pain and elevated liver enzymes.  His labs were notable for AST 275, ALT 1138, alkaline phosphatase of 394 and total bilirubin of 3.94. This patient had no known [...]