50-year-old man with HCC in BCS. (a) Contrast-enhanced transverse CT scan showing a large heterogeneous enhanced nodule (⇩) in the left liver during arterial phase, and enlarged caudate lobe (⇨), cirsoid semi-azygous vein (⇦), and liver cirrhosis. (b) Washout of the nodule on portal venous phase (⇩). (c) Angiography showing heterogeneous, contorted and enlarged tumorous vein and tumor staining in the left liver (⇦) during arterial phase. TACE was given. (d) CT scan showing that the nodule was obviously shrinked and obtained stable effect 2 months after TACE treatment. Lipiodol was not located equably in the nodule.