EZH2 and colorectal cancer: In this study we analysed the expression of EZH2 protein and the proliferation marker Ki-67, using tissue microarrays and immunohistochemistry, in 409 patients with colorectal cancer in stages II and III, randomised to either surgery alone or to surgery and adjuvant chemotherapy with 5-fluorouracil (5-FU) and levamisol (FLev).