Megacolon in adults.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001706:Biopsy; D003106:Colon / Q000294:innervation; D003248:Constipation / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008531:Megacolon / Q000601:surgery; D008722:Methods; D008875:Middle Aged