Case of an anemic man with chest and abdominal pain.
D000740:Anemia / Q000209:etiology*; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000150:complications* / Q000209:etiology; D006801:Humans; D007580:Jejunal Neoplasms / Q000150:complications* / Q000175:diagnosis; D007890:Leiomyosarcoma / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications