Observational cross-sectional study of 5279 bronchoscopy results for the practical effectiveness of various biopsy techniques in the diagnosis of lung diseases with particular emphasis on lung cancer.

Introduction: Bronchoscopy is the main method in the diagnosis of various lung diseases. Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is the most modern bronchoscopic technique useful in diagnosis and staging of lung cancer (LC).

Objective: The aim of the study was to assess the yield of bronchoscopy in patients with suspected various respiratory diseases including LC.