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