Hepatocellular carcinoma Liver Imaging Reporting and Data Systems treatment response assessment: Lessons learned and future directions

Figure 4 Seventy-three-year old woman with history of nonalcoholic steatohepatitis related cirrhosis presented with 1. 5 cm mass in segment 8 with arterial phase hyperenhancement (APHE) (A) and washout (not shown), LR 5; 1 mo post transarterial chemoembolization (TACE) there is central necrosis with a smooth rim of enhancement (^a) (B); however, along the medial edge of the treatment cavity is new ill-defined APHE (arrow) (B) with washout (C), LR TR Viable; 3 mo post re-TACE, there was interval development of infiltrative tumor with APHE on arterial phase (D), “washout” on portal venous phase (E) and T2W hyperintensity (F). In addition, new tumor thrombus was seen in the right portal vein (E), LR TR Viable with tumor in vein.