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
Our local centres offer free, confidential information and support. If you or a loved one has questions about cancer, we’re here.
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.
How are you?
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
Sunflowers15
replied to
Waiting...
Dear Belle 4290, I am so sorry you are going through what you are. 33 years old with a 2 year old - oh my, I'm so sorry. I am on this...
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