Assertion: silicone stent | /r/AtLocation | thirty patients
Facets:
value: with benign tracheobronchial disease
type: OTHER
Source sentences:
text: In another study of 125 silicone stents placed in sixty patients with malignant disease and thirty patients with benign tracheobronchial disease, migration was observed in 13 percent and granuloma formation in 6 percent.