Case Presentation: A 79-year-old male patient with a history significant for metastatic melanoma to the right axillary lymph node and recurrent diarrhea secondary to ipilimumab-induced colitis is admitted for uncontrolled diarrhea with rectal bleeding.  He has had several prior admissions for diarrhea, which have been successfully treated with IV steroids, but has recurrent diarrhea when [...]