title: Carcinosarcomas of uncertain origin in the lumbosacral region of three dogs.
abstract: Three middle-age dogs had carcinosarcomatous tumors involving the lumbosacral bones and the soft tissues. A single metastatic lesion was found in each dog. The site of origin of this tumor was obscure.
mesh_terms: D000818:Animals; D002296:Carcinosarcoma / Q000473:pathology / Q000662:veterinary*; D003238:Connective Tissue / Q000473:pathology; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D008161:Lumbosacral Region; D013125:Spinal Neoplasms / Q000473:pathology / Q000662:veterinary*