Fig. 2From: Comparison of standard mismatch repair deficiency and microsatellite instability tests in a large cancer seriesAn example of the MSS colorectal cancer case with dual loss of MLH1/PMS2. A. Loss of MLH1 protein from tumor cells while normal cells remained positive. B. Matching area. Loss of PMS2 protein. Bar = 200 µm. C. Pentaplex analysis of the case where none of the 5 markers are aberrant. Tumor proportion: 60%Back to article page