Figure 2From: Prognostic impact of MGMT promoter methylation and MGMT and CD133 expression in colorectal adenocarcinoma Immunohistochemical MGMT staining in colorectal adenocarcinoma tissue samples. (A) Representative photomicrographs of TMA punches illustrating low (a) and high (b) MGMT expression intensity; bar, 50 μm. (B) Photomicrographs of TMA punches illustrating different percentages MGMT expression levels: negative (a), <50% (b and c) and ≥50% (d and e); bar, 200 μm.Back to article page