Ahn [1] reviewed the Innovative diagnostic purpose of bronchoscopy. Flexible bronchoscopy is an important diagnostic Instrument inside the medical discipline of respiratory medicine. Over the past decade, endobronchial ultrasound (EBUS) has long been launched in clinics. Convex probe-EBUS continues to be accustomed to diagnose lots of central lung lesions https://directivepublications.org/journal-of-respiratory-medicine-and-research/