PVT1 and uveal melanoma: Multivariate analysis showed that older age (>60) (HR: 2.599, 95%CI: 1.049–6.437, p = 0.039), epithelioid cell dominant uveal melanoma (HR: 4.385, 95%CI: 1.514–12.703, p = 0.006) and high PVT1 expression (HR: 12.015, 95%CI: 1.854–77.876, p = 0.009) were independent predictors for poor OS (Table 2).