Selective Neck Dissection - Rationale
Laryngeal SCCA N+ - 12 patients at level I and 8 at level V with 3 of 12 isolated involvement of level I and 0/8 isolated level V.
Concluded levels I, II, III greatest risk for nodal mets from oral cavity and II, III,IV at risk from oropharynx, hypopharynx, and larynx. (9,10)