Assertion: spontaneous pneumothorax | /r/AtLocation | healthy person
Facets:
value: in the absence of trauma
type: TEMPORAL
Source sentences:
text: A spontaneous pneumothorax may occur in an apparently healthy person in the absence of trauma due to rupture of an air-filled bleb.
text: A spontaneous pneumothorax may occur in an apparently healthy person in the absence of trauma due to rupture of an air-filled bleb.