[The value of cytology and bronchoscopy in the diagnosis of malignant intrathoracic diseases].
D001999:Bronchoscopy; D003581:Cytodiagnosis; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis*; D008175:Lung Neoplasms / Q000175:diagnosis*; D009369:Neoplasms
BRONCHOSCOPY; LUNG DISEASES/diagnosis; LUNG NEOPLASMS/diagnosis