NPM2 and vascular neoplasm: The results showed that NPM2 protein expression level (negative vs. low expression vs. high expression) was independently negatively correlated with the following two clinicopathological factors: CC score (OR = 0.317, 95% CI: 0.317–0.959, P = 0.042) and vascular tumor emboli (OR = 0.092, 95% CI = 0.011–0.770, P = 0.028) (Table 3).