The longer a stent is in place, the more cells from the artery's inner lining will have grown over and around the metal struts of the stent, like ivy on a trellis. This tissue helps hold the stent in place. One implanted several years ago should be firmly anchored. Even so, check with your doctor.
Heart is located safely inside the chest cavity which looks like a cage bound by the ribs and breast bone (sternum). The chest cavity is also called as thoracic cavity and it lies between neck and abdomen. Heart lies slightly to the left in the chest cavity. [ 2 ].
The heart is the hollow, muscular organ in the thoracic cavity (chest) that maintains the circulation of blood throughout the body. It is surrounded by a membrane called the pericardium.lood passes from the left atrium through the mitral valve and into the left ventricle. The left ventricle, the largest and most muscular of the four chambers, is the main pumping chamber of the heart.