Fig. 4

Overview of the frequency of DDR gene mutations in d-MMR GC samples. Various DDR genes were detected, including POLE, ETV6, ATR, TMPRS52, BRCA1, BRCA2, CHEK2, CCND3, FANCA and NSD1. DDR, DNA damage repair; d-MMR, mismatch repair-deficient; GC, gastric cancer