The submandibular lymph nodes sit between the submandibular salivary glands, which are underneath the tongue, and the mandible, or lower jawbone. Occasionally one or more of the lymph nodes may be ...

Scottsdale, Ariz., February 20, 2014—For head and neck cancer patients undergoing radiation therapy, a reduction in the amount of radiation treatment volume to the submandibular (level IB) lymph nodes ...

Swollen lymph nodes, or swollen glands, in the neck may indicate an infection. They can also occur due to a medical condition, such as an immune disorder or, less commonly, cancer. Treatment can ...