Assertion: ulcer | /r/AtLocation | untreated
Facets:
value: for a long time
type: TEMPORAL
Source sentences:
text: The risk of complications increases if the ulcer is left untreated, or if treatment is not completed.
text: Sometime internal bleeding is caused by a peptic ulcer if that ulcer has been left untreated for a long time.
text: Most complications from corneal ulcers occur because the ulcer has been left untreated.