Fig. 2From: Clinical outcomes of radial probe endobronchial ultrasound using a guide sheath for diagnosis of peripheral lung lesions in patients with pulmonary emphysemaEBUS image according to the relationship between the peripheral lung lesion and the bronchus. The radial EBUS was positioned inside the peripheral lung lesion (a, within), in the bronchus adjacent to the lung lesion (b, adjacent to) and outside the lung lesion (c, outside). EBUS, endobronchial ultrasoundBack to article page