bronchoscopy: abnormal pigmentation of mucosal surface of right upper lobe posterior segmental bronchus
bronchoscopy: abnormal pigmentation of mucosal surface of right upper lobe posterior segmental bronchus
bronchoscopy: abnormal pigmentation of mucosal surface of right upper lobe posterior segmental bronchus (procedure)
bronchoscopy: abnormal pigmentation of mucosal surface of right upper lobe posterior segmental bronchus (procedure)