Drainage to submandibular lymph nodes: submental nodes lateral part lower lip entire upper lip and external nose anterior tongue – usually ipsilaterally paranasal sinuses: frontal, anterior and middle ethmoidal, maxillary teeth (except lower incisors) Drainage to submental lymph nodes: wedge of tissue in floor of mouth: opposite lower four incisors teeth, gums, lip and tip … Continue reading Submandibular Lymphadenopathy