Genetic feature diversity of KRAS-mutated colorectal cancer and the negative association of DNA mismatch repair deficiency relevant mutational signatures with prognosis - Ruichuan Shi; Yu Cheng; Jin Wang; Na Song; Ying Chen; Zan Teng; Ling Xu; Yunpeng Liu; Xiaotian Zhao; Qiuxiang Ou; Peng Yang; Rui Ma; et al. (Genes and Diseases)