MET and cholangiocarcinoma: Positive staining for c-Met was demonstrated in 143 (57.9%, 95% CI: 51.7–64.1) of the 247 cases of CC overall, 50 (45.0%, 95% CI: 35.7–54.3) of the 111 cases of IHCC, and 93 (68.4%, 95% CI: 60.6–76.2) of the 136 cases of EHCC; high c-Met expression (2+) was demonstrated in 35 (14.2%, 95% CI: 9.8–18.6) of the 247 cases of CC overall, 13 (11.7%, 95% CI: 5.7–17.7) of the 111 cases of IHCC, and 22 (16.2%, 95% CI: 10.0–22.4) of the 136 cases of EHCC.