Case Presentation: A 27-year-old male with end stage renal disease from focal segmental glomerulosclerosis with living donor transplant and progression to chronic kidney disease presented with 2 weeks of diarrhea, proctalgia, and hematochezia. On presentation he was afebrile and hemodynamically stable. Rectal exam showed significant tenderness, no hemorrhoids or fluctuance, and mucous-like drainage. Labs showed [...]