Assertion: barium enema | /r/HasProperty | done after colonoscopy
Facets:
value: for further evaluation
type: PURPOSE
Source sentences:
text: CT scans and ultrasounds are now the tests of choice for the initial evaluation of abdominal masses, and colonoscopies are becoming the standard for routine colon screening for those over age 50 or with a familial history of polyps or colon cancer, although it is not uncommon for a barium enema to be done after a colonoscopy for further evaluation.