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.
Hemangiosarcoma in dogs and cats is a malignant, soft tissue cancer of the blood vessel lining. Areas of involvement most commonly include the spleen and/or heart. Other areas of the body that may be affected include the lungs, skin, intestine, liver, kidneys, bladder, mouth, and bones.xposure to the sun may be a risk factor for some cats in developing hemangiosarcoma of the skin. 1  Hemangiosarcoma is a very aggressive, malignant cancer that most commonly affects the heart and spleen, but spread to other organs is also possible.