Megalourethra.
D000015:Abnormalities, Multiple; D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000601:surgery; D004240:Diverticulum / Q000151:congenital; D004314:Down Syndrome / Q000150:complications; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010413:Penis / Q000002:abnormalities / Q000601:surgery; D014513:Ureter / Q000002:abnormalities* / Q000601:surgery