b'SECTION 1: WHAT IS LYMPHEDEMA (LE)?Secondary LymphedemaThe second possibility is that the track was perfectly built originally, but then it got damaged.The second cause, termed Secondary Lymphedema, means that the perfectly healthy lymphatic systemwas damaged. Worldwide, the most common causeThe arterial system is releasing cells and proteins of lymphedema is a parasite infection called filariasis.constantly as it courses down the arm.In the United States, the most common cause of lymphedema is the removal of lymph nodes toprevent the spread of cancer. 22 UNDERSTANDING LYMPHEDEMA: KEEPING THE TRAIN ON TRACK SECTION 2: WHAT CAUSES LYMPHEDEMA? 23'