Case Presentation: A 48-year-old female with no significant past medical history was initially hospitalized for community-acquired pneumonia and subsequently developed hematemesis, melena along with fever and night sweats. Other presenting symptoms included productive cough, worsening dyspnea, and 80-pound unintentional weight loss in 3 months. She denied travel/occupation history. Further workup showed WBC 46.6×103/uL, Hemoglobin 8.3 [...]