As expected for a direct substrate of ATM,6, 10, 13 a positive signal for p-53BP1 was more frequently found in tumours with high p-ATM in comparison to negative/low p-ATM [odds ratio (OR) = 2.206; 95% CI = 1.383–3.519; p = 0.001]. Here, TP53BP1 is linked to neoplasm.