Single Biggest Cancer Dictionary in the World

What is cancer of unknown primary origin?

Pronunciation: /ˈkænsər əv ənˈnoʊn ˈpraɪˌmɛri ˈɔrəʤən/

cancer of unknown primary origin

Definition

A case in which cancer cells are found in the body, but the place where the cells first started growing (the origin or primary site) cannot be determined. Also called carcinoma of unknown primary and CUP.