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 contains the heart and the lungs. Actually, the heart is located in the mediastinum.. and the lungs are in the plural cavity... but both, together, are located in the thoracic.. Hope this answers your question. Source(s): My anatomy and phsyiology class. whew, I sure learned a lot..