Fig. 4From: 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 heterogeneityPTEN expression according to the location of the tumor in the large bowel. Mean expression of PTEN (±95 % confidence interval) according to the three antibodies considering location of the tumors in the colorectumBack to article page