failed to reach significanceP = 0.09
On multivariable Cox regression, only TRB was identified as significant independent prognostic factor for OS (HR 1.0; 1.00-1.001, P = 0.02), while presence of CXCR4-positive PM failed to reach significance (HR 1.9; 0.885–3.62, P = 0.09; Table 3 ).