If you do not sign up for Medicare Part B when you are first eligible, you may need to pay a late enrollment penalty for as long as you have Medicare. Your monthly Part B premium could be 10% higher for every full 12-month period that you were eligible for Part B, but didn't take it.
The human body contains lymph nodes throughout, primarily in the head and neck, but also under the arms and in the groin. The lymphatic system consists of lymph nodes along with a number of organs and vessels. Keep Learning.
Lymph nodes are small clumps of immune cells that act as filters for the lymphatic system. The lymphatic system runs throughout the body (like the circulatory (blood) system) and carries fluid and cells.The lymph nodes in the underarm (the axillary lymph nodes) are the first place breast cancer is likely to spread.Figure 4.4 shows the location of the axillary lymph nodes.he lymphatic system runs throughout the body (like the circulatory (blood) system) and carries fluid and cells. The lymph nodes in the underarm (the axillary lymph nodes) are the first place breast cancer is likely to spread.