Chagas' disease, a possible cause of megaesophagus and megacolon.
D014355:Chagas Disease / Q000150:complications*; D004931:Esophageal Achalasia; D004947:Esophagus / Q000002:abnormalities*; D006801:Humans; D008531:Megacolon / Q000209:etiology*; D014352:Trypanosomiasis; D014481:United States
ESOPHAGUS/abnormalities; MEGACOLON/etiology; TRYPANOSOMIASIS, SOUTH AMERICAN/complications