Changes

==Description==

==Description==

A highly malignant tumour of dogs. The origin of '''abdominal haemangiosarcoma''' is often from the spleen.  Neoplastic cells are implanted into the abdomen, causing widespread peritoneal seepage of blood or metastasise to the liver and lungs.  This is a highly malignant disease.

A highly malignant tumour of vascular endothelial origin. They commonly affect dogs and the most frequently affected areas are the spleen, pericardium, right atrium, liver and muscle. The origin of '''abdominal haemangiosarcoma''' is often from the spleen.   

==Signalment==

==Signalment==