CALCA and neoplasm: As presented in Table 2, univariate analyses revealed that age, the hemoglobin and albumin concentrations, lymphocyte count, PNI, NLR, intra-operative blood loss, tumor stage, peri-operative blood transfusion, post-operative complication, PCT concentrations at POD 3 and POD 5 were potentially associated with OS (all P < 0.05).