Grades K â 12 | Student Interactive | Organizing & Summarizing. Story Map. The Story Map interactive is designed to assist students in prewriting and postreading activities by focusing on the key elements of character, setting, conflict, and resolution.
With hemangiosarcoma, the pericardium fills up with blood due to rupture of the tumor. When the tumor occurs in the skin, a mass or lump can usually be felt in or under the skin. The mass may become ulcerated and bleed. When the tumor occurs in a bone, it can cause pain and discomfort.
Causes of Skin Cancer (Hemangiosarcoma) in Dogs The causes of any cancer can be ambiguous but there are some things that may trigger the formation of hemangiosarcomas. Dermal hemangiosarcomas, in particular, have a link to solar radiation and are more common in dogs with short hair and dogs with white hair.