BRCA2 and neoplasm: A higher TMB level was closely associated with more neoantigen loads, which have been proven to be the target of ICIs.8, 20 BRCA1/2 deficiency has been shown to result in a specific signature with higher mutation burden and more tumor‐specific neoantigens in OvCa.37, 38 In this study, we observed a trend of greater TMB in tumors harboring BRCA2 mutations.