Nonmalignant anorectal strictures.
D001003:Anal Canal; D000071056:Anorectal Malformations; D001004:Anus Diseases; D001006:Anus, Imperforate; D003251:Constriction, Pathologic; D004194:Disease; D012002:Rectal Diseases; D012007:Rectum
ANUS/diseases; RECTUM/diseases