Fig. 31
From: Assessment of hepatocellular carcinoma treatment response with LI-RADS: a pictorial review
a Axial T1-weighted MR in portal venous phase obtained pretreatment: image shows washout of a 2.5 cm LR-5 observation in caudate lobe (arrow). b Axial CT in late arterial phase (AP) obtained 3 months post stereotactic body radiotherapy (SBRT): image shows tumor progression (arrowheads) and perfusional anomalies related to edema (asterisk). Mural thrombus in inferior vena cava is noted (arrow). The treated observation is categorized LR-TR viable. c Axial CT in late AP obtained 6 months posttreatment: image shows diffuse tumoral infiltration of left lobe (arrow)