Paramount among the challenges and controversies among the head and ne
ck surgeon is the proper treatment of the N-0 neck. Therapeutic interv
ention for the N-0 neck usually involves any of two treatment modaliti
es alone or in combination: surgery or radiation therapy. This article
discusses the potential treatment strategies for possible subclinical
neck metastasis and the rationale for their use on a site by site bas
is for head and neck primary tumors.