Duplication of the stomach.
D000328:Adult; D000013:Congenital Abnormalities / Q000175:diagnosis / Q000601:surgery; D005260:Female; D005743:Gastrectomy; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D013270:Stomach / Q000002:abnormalities*