Fig. 2From: Evaluation of locoregional invasiveness of small-sized non-small cell lung cancers by enhanced dual-energy computed tomographyA 74-year-old female patient. A poorly-differentiated (G3) adenocarcinoma is observed in the left lingula. Vascular invasion, and pleural involvement were positive. a Lung window setting. b Mediastinal window setting. c Iodine-enhanced image of contrast-enhanced CT. The 3D-IRA is 16 HU, and the corrected 3D-IRA is 2.85Back to article page