Assertion: stoma | /r/HasProperty | needed
Facets:
value: to use an appliance
type: PURPOSE
Source sentences:
text: It is usual to join the ends of the bowel together after bowel cancer surgery, but very occasionally this is not possible and a stoma is needed.
text: If the stoma is flush with the abdomen or located in a body fold, it may be necessary to use an appliance with a semi-rigid convex faceplate and a belt to help make the stoma protrude in order to prevent leakage.
text: No stoma is needed.