MTOR and hepatocellular carcinoma: p-mTOR was overexpressed in patients with multinodular HCC, both in tumoral tissue (0.98 ± 0.23 I/mm2 vs. 0.8 ± 0.22 I/mm2, p = 0.01) and in peritumoral tissue (1.19 ± 0.24 I/mm2 vs. 0.94 ± 0.23 I/mm2, p = 0.001).