The cardiac impression is a recess formed on the anteroinferior mediastinal surfaces of both lung. It is produced in order to accommodate the space occupied by the heart. Hence, due to the heart projecting more to the left side of the sternum, the concavity is of greater depth on the left.
The boundaries of the cardiac impression are:
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.