Case Presentation: This is a case of a 65-year-old man with a history of prostate cancer who presented with a 3-day history of fatigue and shortness of breath. Initial diagnostic work-up revealed a hemoglobin of 7.8 g/dL (10.1 g/dL the day prior), normal platelets, and an indirect hyperbilirubinemia. Lactate dehydrogenase was elevated, haptoglobin was undetectable [...]