Lymph Nodes of The Head and Neck For your discussion post, research one type of head and neck cancer and share your findings. Include the etiology, treatment options, and the lymph node groups typically affected by this cancer. The lymph node groups must be mentioned in the video above e . g . submental, occipital, posterior auricular, etc. Be sure to select a cancer type that affects at least one of the nodal groups mentioned in the video. The initial post must be a minimum of 250 words.