ABSTRACT
Data in this chapter may be updated by a Medline search as well as the websites Cancerlit and Cancer Net using the keywords: neck mass, carcinoma of occult primary (COP), carcinoma of unknown primary (CUP), head and neck neoplasm, imaging, and focusing on diagnosis, surgery and management. The evidence in this chapter is mainly levels 3–4 with some level 2 evidence. The clinical recommendations are predominantly B and C.
