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.
There are two types of lymph nodes located in the axillary, or underarm, area: superficial and deep lymph nodes. The first nodes start in your hands and are located all the way up to your armpits. Inguinal lymph nodes The inguinal lymph nodes are located in the groin, and there are two types: deep inguinal and superficial inguinal.