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Figure 1: Comparison of appearances of hepatic RLH (a–e) with hepatocellular carcinoma (f–j) on fast spoiled gradient recalled echo (FSPGR) MRI. (a) On unenhanced T1-weighted image, the lesion is hypointense signal relative to normal liver parenchyma. (b) The lesion is hyperintense signal in the same location on T2-weighted image. (c) The lesion is enhanced in the arterial phase. (d) The lesion is hypodense in the portal phase. (e) The lesion is unclear in the delayed phase. (f) On plain T1-weighted imaging scan, the lesion is hypointense signal relative to normal liver parenchyma. (g) The lesion is hyperintense signal in the same location on T2-weighted image. (h) The lesion is significantly enhanced in the arterial phase. (i) The lesion is hypodense in the portal phase. (j) The lesion became more hypodense in the delayed phase.