Physics and Principles of Ultrasound Imaging.- Relevant Thoracic Anatomy.- Basic Principles of TBNA.- Staging Principles in Lung Cancer.- Technique, Anatomy and Application of Radial Ultrasound.- Endobronchial Ultrasound in Therapeutic Bronchoscopy.- Endobronchial Ultrasound for Peripheral Lesions.- EBUS-TBNA Bronchoscopy.- Comparing EUS and EBUS-Guided Needle Aspirations.- Ultrasound as a Therapeutic Instrument.