PMS2 and Lynch syndrome: Genomic alterations identified include BRIP1 S988 fs: AKT1 E17K: mTOR E1799K: APC R1450: CREBBP S889: FAM123B R358: GNAS R201C: TP53 P177L and 4213Q. No reported alterations in KRAS, NRAS, and BRAF. Lynch syndrome screen by IHC (MLH1, MSH2, MSH6 and PMS2 proteins) was normal on the pathological tissue.