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 mediastinum is the middle section of the chest cavity. The chest cavity contains the left and right lungs, which lie on either side of the heart.The heart is contained in the portion of the chest known as the mediastinum.he mediastinum is the middle section of the chest cavity. The chest cavity contains the left and right lungs, which lie on either side of the heart.