The esophagus is located adjacent to many critical organs and structures including the heart, lungs, trachea and major blood vessels. Protection of these organs and structures is important in order to prevent significant side effects such as heart disease and radiation pneumonitis.  Due to its precision and clinical advantages, proton therapy is ideally suited to reduce the risk of these side effects while delivering a curative dose to the tumor.


Description provided by The National Association for Proton Therapy (