Assertion: ib lung cancer | /r/HasAspect | aspread
Facets:
value: to the main bronchus
type: TRANSITIVE-OBJECT
Source sentences:
text: Stage IB lung cancers are between three and five centimeters in diameter and may have a) spread to the main bronchus, b) spread to the inner membrane overlying the lung, or c) part of the lung may be inflamed or collapsed.