Colon cancer with matched colon tissue array, including pathology grade, with MMR (MLH1/PMS2/MSH2/MSH6 2017 Ventana MMR kit) IHC results, TNM and clinical stage, containing 90 cases of adenocarcinoma, and 90 cancer adjacent or adjacent normal colon tissue, 90 cases/180 cores, replacing CO1801-CO1801a
