Figure 2.

Electromagnetic navigation bronchoscopy dye marking of right upper lobe subcentimeter pure ground glass opacity (GGO) for uniportal VATS resection, (A) navigation of locatable guide to within 3 millimeters from the centre of the target lesion, (B) dynaCT showing the dye injection needle directly on the GGO, (C) dynaCT following injection of mixed iohexol and methylene blue dye contrast at the lung lesion, (D) measurement of distance from target lesion/injection needle to pleura for advancement of needle to pleura for second injection, (E) dynaCT following injection of contrast at the pleura. VATS, video-assisted thoracic surgery.