Benign strictures of the anus and the rectum.
D000328:Adult; D000368:Aged; D001003:Anal Canal; D003251:Constriction, Pathologic / Q000209:etiology / Q000601:surgery; D005260:Female; D006484:Hemorrhoids / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D012002:Rectal Diseases / Q000209:etiology* / Q000601:surgery