Cardiac tumors of the heart are non-cancerous. Tumors that begin in the lining of the heart and pushed into the chambers of the heart The heart has four chambers two atrium rooms two ventricle rooms and It pumps blood to the ventricle, where it compresses and pumps blood to the rest of the body. 90% of cardiac tumors of the heart occur in the atrium. Usually occurs on the left and on the top that separates the two sides of the heart Some heart tumors are flat. But many have thin stalks that are tied up, which allows them to move easily. Although heart tumors are rare, It is the most common tumor of the heart. They are first seen at an average age of 56. Women are twice as frequent as men.