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 Blood in the Chest in Dogs. There are several main causes of a hemothorax. Trauma is the most common cause. A lacerated blood vessel within the thorax or pleural lining may lead to rapid or slow bleeding depending on the amount of trauma and the size of the affected vessel or vessels.