Fig. 3

Immunohistochemistry staining of biliary tract cancer tissue from the RADICHOL trial. Representative low and high expression of p-AKT (a, b), p-mTOR (c, d), p-S6 Ser 235/236 (e, f), p-S6 Ser 240/244 (g, h), p-4EBP1 (i, j) and PTEN (k, l); 10× magnification