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Cancer of unknown primary (CUP) 

Cancer of unknown primary (CUP)
Cancer of unknown primary (CUP)
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date: 24 May 2019

Introduction and prognosis 358

Treatment and nursing management 359

Common oncological problem representing up to 15% of all referrals.

The primary site of a carcinoma remains undetected even after postmortem examination in around 20–25% of these cases.

Normally arises due to the unusual metastatic potential of the tumour but occasionally there has been regression of the primary (well recognized in melanoma)....

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