NBN and non-small cell lung carcinoma: The risk score of each NSCLC patient was calculated as follows: Risk score = (0.131288663692349) × CDC25C expression + (0.044719985259839) × NEIL3 expression + (0.0018724086315065) × H2AFX expression + (0.1354895390277) × NBN expression + (0.166065772748599) × XRCC5 expression + (-0.234655329481 268) × RAD1 expression (Figure 7C).