Fig. 2

Skeletal muscle loss marked by green mask over 171 days in a 52-year-old man with a single moderate differentiated HCC lesion. a Preoperative skeletal muscle index (SMI) on axial CT image at the L3 level was 46.97 cm²/m². b Postoperative SMI at the same plane on CT image was 40.82 cm²/m²