Fig. 1From: The prognostic effect of PTEN expression status in colorectal cancer development and evaluation of factors affecting it: miR-21 and promoter methylationRepresentative IHC staining of colorectal samples. a PTEN was positively expressed in adjacent normal tissue (b) and colorectal carcinomas. c Negative expression for PTEN was observed in some CRC tissues samples (x200)Back to article page