Fig. 1: Prognostic significance of XRCC2 and PARP1 expression in LARC patients who received neoRT.

A Representative immunohistochemical images showing the expression of XRCC2 and PARP1 in rectal tissues (×200). B Kaplan–Meier analysis of the effect of XRCC2 expression on OS. C Kaplan–Meier analysis of the effect of PARP1 expression on OS. D Kaplan–Meier analysis of the effect of XRCC2/PARP1 co-expression on OS.