Identifying mismatch repair‐deficient colon cancer: near‐perfect concordance between immunohistochemistry and microsatellite instability testing in a large, population‐based series. - Loughrey, Maurice B; McGrath, Jason; Coleman, Helen G; Bankhead, Peter; Maxwell, Perry; McGready, Claire; Bingham, Victoria; Humphries, Matthew P; Craig, Stephanie G; McQuaid, Stephen; Salto‐Tellez, Manuel; James, Jacqueline A (Histopathology, 2021)