[Megaesophagus; report of 2 cases:  children of 8 and 13 years of age].
D004931:Esophageal Achalasia; D004947:Esophagus / Q000002:abnormalities*; D008531:Megacolon; D014352:Trypanosomiasis
ESOPHAGUS/abnormalities; MEGACOLON; TRYPANOSOMIASIS
Megaesofago; relato de 2 casos (crianças de 8 a 13 anos).