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.
Thyroid lymph nodes are the nodes are located in the middle of and above the collarbone close to the thyroid gland. Pretracheal lymph nodes lie in front of the windpipe (trachea) and at the lower part of the center of the neck. Paratracheal lymph nodes are positioned close to the sides of the windpipe.