Assertion: lung biopsy | /r/HasProperty | performed
Facets:
value: often
type: TEMPORAL
value: usually
type: DEGREE
Source sentences:
text: Lung biopsies can be performed using a variety of techniques.
text: A pleural biopsy is performed when the cause for excess fluid in the pleural space cannot be determined by thoracentesis.
text: A lung biopsy is usually performed to determine the cause of abnormalities, such as nodules that appear on chest x rays.
text: If both methods fail to diagnose the problem, an open lung biopsy may be performed.
text: It is also often performed to help determine if an abnormal growth in the lung is cancerous.