PVT1 and sarcoma: Survival analysis indicated that an overexpression of PVT1 was significantly correlated to an unfavourable sarcoma OS (Figure 1A, B), and multivariate Cox proportional hazards regression model substantiated PVT1 may be an independent prognostic indicator for sarcoma OS and increased risk of death (adjusted P=0.003, adjusted HR=2.590, CI=1.393-4.816, Table 1).