Ahn [one] reviewed the Innovative diagnostic part of bronchoscopy. Flexible bronchoscopy is a crucial diagnostic Device from the scientific subject of respiratory medicine. In the last decade, endobronchial ultrasound (EBUS) has become launched in clinics. Convex probe-EBUS has actually been used to diagnose a lot of central lung lesions https://directivepublications.org/journal-of-respiratory-medicine-and-research/