MRC1 and colorectal cancer: After acceptance of this review, a novel study reported the combined use of BRAF V600E and MMR immunohistochemistry as a prognostic tool in colorectal cancer (Toon CW, Chou A, DeSilva K, Chan J, Patterson J, Clarkson A, et al. BRAFV600E immunohistochemistry in conjunction with mismatch repair status predicts survival in patients with colorectal cancer.