Assertion: right upper lobe bronchus | /r/HasAspect | a semilunar orifice
Facets:
Source sentences:
text: It has a semilunar orifice bordered toward the top by an anterior-upper arch shaped like a semicircle, whose extremities connect to the horizontal middle-lobe spur.
text: It has a semilunar orifice bordered toward the top by an anterior-upper arch shaped like a semicircle, whose extremities connect to the horizontal middle-lobe spur.