Cancer Research UK on Google+ Cancer Research UK on Facebook Cancer Research UK on Twitter

What is an occult tumour?

An occult tumour is one that is hidden, or so small that it can't be found, even by the most detailed scans. 

The place where a cancer begins is called the primary cancer. If a secondary cancer is found in the body, but the doctors don’t know where the cancer started, this is called cancer of unknown primary (CUP) or unknown primary cancer (UPC) or unknown primary tumour (UPT).

Rate this page:
Submit rating

 

Rated 1 out of 5 based on 1 votes
Rate this page
Rate this page for no comments box
Please enter feedback to continue submitting
Send feedback
Question about cancer? Contact our information nurse team

No Error

Updated: 6 December 2012