True about Hirschsprung's disease:a) Pathology of myenteric plexus of Auerbachb) Blood in stoolsc) May involve small intestine rarelyd) Involved segment of intestine is dilatede) Present only in infant & children
High-Yield Explanation
Small intestine may be involved rarely (~5%) - CSDT 13/e p1180 (11/e p1321)