ADD3 and breast angiosarcoma: Subsequently, Cheng et al. [8] revealed five single nucleotide polymorphisms (SNPs) in the intergenic region between X-prolyl aminopeptidase P (XPNPEP1) and adducin 3 (ADD3) as associated with BA, including rs17095355, rs10509906, rs2501577, rs6584970, and rs708605.