Cancers of unknown primary (CUP) , represent 1-3\% of all cancers and is an enigmatic disease where the primary site of origin cannot be determined.
<coherence> Cancers of unknown primary (CUP) , represent 1-3\% of all cancers and is an enigmatic disease where the primary site of origin cannot be determined.
Cancers of unknown primary (CUP) is an enigmatic disease where the primary site of origin cannot be determined.