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Lymph Nodes You have more than 20 lymph nodes on each side of your neck. These nodes drain fluids from the face, mouth, and throat. Lymph nodes can enlarge due to viral or bacterial infections , or as a result of cancer cells spreading (metastasis) . What is Neck Dissection? Head and neck cancers frequently metastasize to the lymph nodes in the neck. The goal of neck dissection is to remove the lymph nodes where cancer cells are at the highest risk of spreading . Your surgeon

The thyroid gland is a small, butterfly-shaped gland located in the neck. This gland helps control the rate at which your body functions and how your body works. It produces hormones that are transported through the bloodstream to other parts of the body. Thyroid hormones tell the body how fast to work and how to use energy. When you're healthy, your thyroid works like an air conditioner; it kicks in when needed and shuts off when necessary. It stops producing thyroid hormone