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 bean like structures that are located throughout the body and are a part of the lymphatic system of the body. These lymph nodes and mediastinal lymph nodes can be affected by lymphomas, a group of cancers of the lymphatic system.