PDGFRB and angiosarcoma: In veterinary medicine, PDGFR-β expression has been investigated in canine osteosarcomas [25], nasal carcinomas [26], transitional cell carcinomas of the bladder [27], anal sac gland adenocarcinomas [28], oral melanomas [29], mammary carcinomas [30], liposarcomas [31], perivascular wall tumors [32], hemangiosarcomas and hemangiomas [33].