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 thoracic cavity is the more superior subdivision of the anterior cavity, and it is enclosed by the rib cage. The thoracic cavity contains the lungs and the heart, which is located in the mediastinum.The diaphragm forms the floor of the thoracic cavity and separates it from the more inferior abdominopelvic cavity. The superior mediastinum is a wedge-shaped cavity located between the superior regions of the two thoracic cavities. 2  The pericardial cavity within the mediastinum is located at the center of the chest below the superior mediastinum.