Assertion: severe frostbite | /r/HasSubevent | gangrene
Facets:
value: possibly
type: OTHER
Source sentences:
text: Severe frostbite can result in permanent nerve damage and possibly gangrene - which is dead tissue that often turns black or green.
text: Severe frostbite can result in a variety of complications, including numbness and gangrene.
text: However, severe untreated frostbite may result in gangrene.