What is cancer of unknown primary (CUP)?
Cancer of unknown primary is when doctors are not sure where a cancer started in the body. It is sometimes called CUP for short.
Cancer of unknown primary (CUP)
Information and support for people affected by cancer of unknown primary (CUP).
What is cancer?
What is cancer?
Watch our animation about how cancer starts in our cells.
Watch our animation about how cancer starts in our cells.
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Understanding
what cancer is
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Diagnosing
symptoms, causes and risk factors
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Organising
the practical, work and financial side
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Treating
cancer and what to expect
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Coping
with and after cancer treatment
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Resources
and publications to order, download and print
How we can help
Assessing your finances
Cancer can lead to extra expenses. By assessing your situation, you can plan ahead to meet your needs.
Local volunteers
Our volunteers offer practical and emotional support to people affected by cancer. We want to make sure no one goes through cancer alone.
Information and support centres
Come for a chat at one of our information centres. They’re all over the UK and they offer free resources, confidential information and support. Find one near you.
Understanding cancer of unknown primary
Related
Order or download our free booklet which describes the diagnosis and treatment of cancer of unknown primary.
In your area
Local area
What's happening near you? Find out about support groups, where to get information and how to get involved with Macmillan where you are.
Why choose us as your charity
Get involved
If you're deciding which charity to support with your fundraising, talk to us. We want to be there for everyone affected by cancer, and we need your help.
Dealing with your emotions
Related
Worrying about cancer can have a big impact on your feelings. Read our advice to help you cope with your emotions.
Latest from the Online Community
Get support
Online Community
Our Online Community is always open and full of people ready to support you.
Featured group
Unknown primary cancer
Cancer of unknown primary (CUP) is when cancer has spread, but it is not known where in the body it started from. This is a place for people affected by CUP to get together, ask questions, share experiences and support each other.
Latest posts in Unknown primary cancer
BobB75
replied to
Adenocarcinoma CUP syndrome
Thanks everyone, and all the best for the future. Bob
KTatHome
replied to
Adenocarcinoma CUP syndrome
Hi BobB75 , I think it is good news that they have found your primary. I forgot to look if you’ve joined the lung group yet, just in...
BobB75
replied to
Adenocarcinoma CUP syndrome
Hi, Well I've had my petscan. Things are a bit clearer, and at the same time more confusing.
They have found the primary. I now officially...
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