...explored the potential rol of SAMHD1 expression in advanced non-small cell lung (NSCLC), ovarian (OC) and breast cancer (BC) patients (p)...included 46 BC p treated with capecitabine...SAMHD1 positivity was associated with shorter disease free survival interval (DFS) in OC, NSCLC, and BC p (χ²test; p=.010, p.003, p=.005, respectively)....SAMHD1 positivity was associated with shorter OS and OSDC for BC p (p=.05 and p=.001, respectively), in special in luminal B subgroup.