PLIN4 and liposarcoma: Spearman's rank analysis demonstrated positive correlation between PLIN1 and PLIN2 (r =0.325, P = 0.008), PLIN1 and PLIN4 (r =0.580, P = 0.000), PLIN1 and PLIN5 (r =0.344, P = 0.005), PLIN2 and PLIN4 (r =0.310, P = 0.011), PLIN2 and PLIN5 (r =0.364, P = 0.003), PLIN4 and PLIN5 (r =0.270, P = 0.029) expressions in liposarcoma, respectively.