A lymph node located above the collar bone and between the center of the body and a line drawn through the nipple to the shoulder.
lymph (limf)
The clear fluid that travels through the lymphatic system and carries cells that help fight infections and other diseases. Also called lymphatic fluid.
Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)
nipple (NIH-pul)
In anatomy, the small raised area in the center of the breast through which milk can flow to the outside.
Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)