Subsequent analysis demonstrated positive relationships between the level of ATX mRNA expression and clinical parameters including liver stiffness (r = 0.43, P = 0.001), TB (r = 0.49, P<0.0001), AST (r = 0.36, P = 0.005), ALT (r = 0.35, P = 0.006), and ALP (r = 0.47, P<0.0001) of BA patients. This evidence concerns the gene ENPP2 and breast angiosarcoma.