Fig. 2From: Localization of subcentimeter pulmonary nodules using an indocyanine green near-infrared imaging system during uniportal video-assisted thoracoscopic surgeryBubbles of the different doses of indocyanine green at various puncture depths. The range of needle depth was 0.5–2 cm and ICG (2.5 mg/ml, 0.3–1 ml) was injected. The better images were obtained when 0.4–0.5 ml of ICG and 1 cm of needle depthBack to article page