PLIN1 and liposarcoma: The expression rates of PLIN1 (P<0.001), PLIN2 (P=0.034), and PLIN4 (P<0.001) were significantly different in subtypes of liposarcoma, while the expression rates of PLIN3 (P=0.25) and PLIN5 (P=0.051) were not significantly different (Table 4).