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.
Vascular Ring Anomalies in Dogs Persistent Right Aortic Arch in Dogs Vascular ring anomalies occur when a congenital abnormality of the heart's blood vessels result in the esophagus being compressed at the level of the base of the heart. This, in turn, prevents solid food from being able to pass properly past the compression as well as the dilatation of the esophagus in front of the compressed area.