"Hirschsprung's disease"@en-us . . "congenital condition in which the colon does not have the normal network of nerves; there is little urge to defecate so the feces accumulate and cause megacolon"@en-us . . . "0.625"^^ . . "14156488-n"^^ . . . "114156488"^^ . . "113350334"@en-us . . . "congenital megacolon"@en-us . . "0"^^ . . "Hirschsprung's disease"^^ .