ALB and neoplasm: The negative impact of elevated SF was also evident in relation to the following variables: G-stage (P = < 0.001) (Fig. 3b ), T-stage (P = < 0.001) (Fig. 4b), preoperative albumin levels (P = 0.013) (Fig. 6b), tumor size (P = < 0.001) (Fig. 7b), and CA 19 − 9 levels (P = < 0.001) (Fig. 8).