Assertion: ulcer | /r/HasSubevent | gangrene
Facets:
Source sentences:
text: Ulcers are dangerous because they can lead to serious infections or even gangrene, which is when your tissue dies.
text: Without proper care, the ulcer may get infected leading to cellulitis or gangrene and eventually may need amputation of the part of limb in future.
text: Without proper care, the ulcer may get infected leading to cellulitis or gangrene and eventually may need amputation of the part of limb in future.