Assertion: colonoscopy | /r/HasProperty | done after 1 year
Facets:
Source sentences:
text: A colonoscopy can be done after 1 year, except if it could not be done during the initial staging because of an obstructing mass, in which case it should be performed after 3 to 6 months.
text: A colonoscopy can be done after 1 year, except if it could not be done during the initial staging because of an obstructing mass, in which case it should be performed after 3 to 6 months.