Fig. 2From: In depth evaluation of the prognostic and predictive utility of PTEN immunohistochemistry in colorectal carcinomas: performance of three antibodies with emphasis on intracellular and intratumoral heterogeneityImmunohistochemical images of the investigated regions according to the respective PTEN antibody. The DAKO, CellSignaling and Neomarkers antibodies staining the normal colon, tumor-normal border, main tumor mass and invasive front of the colorectal tumors (20x magnification)Back to article page