ACE and neoplasm: Univariate analysis revealed that that rs16944 A/A genotype (p < .01), Child‐Pugh B (p < .01), albumin level (p < .01), DCP level (p = .02), multiple tumors (p < .01), tumor size (p < .01), operation time (p = .03), blood loss (p < .01), number of CTCs (p < .01), and mPVI (p < .01) were predictive factors for OS.