Ahn [one] reviewed the advanced diagnostic function of bronchoscopy. Versatile bronchoscopy is a vital diagnostic Device in the clinical industry of respiratory medicine. Over the past ten years, endobronchial ultrasound (EBUS) has actually been introduced in clinics. Convex probe-EBUS is used to diagnose several central lung lesions and it https://directivepublications.org/journal-of-respiratory-medicine-and-research/