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