Assertion: thoracic aortic aneurysm | /r/HasProperty | evident
Facets:
value: on chest x-ray films
type: LOCATION
value: often
type: DEGREE
Source sentences:
text: Often, thoracic aortic aneurysms are evident on chest x-ray films and are characterized by widening of the mediastinal silhouette, enlargement of the aortic knob, or tracheal deviation.