Case Presentation: An 80-year-old man with prostate cancer and radical prostatectomy with an indwelling Foley catheter presented from his nursing home with three days of hematuria and a hemoglobin of 5.2 mg/dL (baseline 7-9 mg/dL). Initial vital signs were normal. Exam was significant for pink-tinged urine, copious melena, and no abdominal pain. A repeat hemoglobin […]