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.
Many of the symptoms of hemangiosarcoma in dogs may arise from blood loss due to the internal rupturing of one of the tumors. Collapse; Depression; Difficulty breathing; Lack of appetite; Lethargy; Lumps on or directly under the skin; Pale mucous membranes; Shock; Ulcerated sores on skin; Visible bleeding; Vomiting; Weakness