(a)
(b)
(c)
(d)
Figure 1: Representative of EGFR immunohistochemistry staining and electropherogram. (a) IHC score as 2+ in HCC tissue: case 6T. (b) IHC score as 3+ in HCC tissue: case 45T. (c) Missense mutation at c.2189T>C (p.L730P) in HCC tissue: case 6T. (d) Missense mutation at c.2734T>C (p.S912P) in HCC tissue: case 45T.