An overview of endobronchial ultrasonography -- Anatomy of mediastinal and hilar area -- How to perform endobronchial ultrasonography -- Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) -- Tips and difficulties in EBUS-TBNA -- Endoscopic ultrasound-guided mediastinal lymph node aspiration for lung cancer diagnosis and staging -- Qualitative analysis of peripheral pulmonary lesions using endobronchial ultrasonography -- EBUS-guided peripheral pulmonary nodule biopsy -- Diagnosis of peripheral pulmonary lesions using endobronchial ultrasonography with a guide sheath -- Endobronchial ultrasonographic analysis of airway wall integrity and tumour involvement -- EBUS in interventional bronchoscopy -- Future directions for endobronchial ultrasonography -- Case reports.