Fig. 2From: PTEN mRNA expression is less pronounced in left- than right-sided colon cancer: a retrospective observational studyPTEN mRNA expression in primary tumor by location in rectum, left-sided colon, and right-sided colon PTEN mRNA levels progressively increase from rectum to right-sided colon (median; rectum 0.84, left colon 1.23, right colon 1.68, p = 0.013)Back to article page