Ahn [1] reviewed the advanced diagnostic part of bronchoscopy. Versatile bronchoscopy is a crucial diagnostic Resource during the scientific discipline of respiratory medicine. Over the past decade, endobronchial ultrasound (EBUS) has become released in clinics. Convex probe-EBUS has actually been used to diagnose many central lung lesions and it https://directivepublications.org/journal-of-respiratory-medicine-and-research/