Assertion: obstruction's cause | /r/HasProperty | bands of scar tissue
Facets:
value: following injury
type: TEMPORAL
value: following surgery
type: TEMPORAL
Source sentences:
text: The three most common causes of small bowel obstruction are adhesions, which are bands of scar tissue that form in the abdomen following injury or surgery; hernias, which develop when a portion of the intestine protrudes through a weak spot in the abdominal wall; and cancerous tumors.