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A lump in the breast is the most common symptom of breast cancer, but there are others to look for.
You will be referred to a specialist doctor at a breast clinic, who will examine you and arrange some tests.
If the biopsy shows there are breast cancer cells, you may need more tests before starting treatment.
Breast screening is a way of finding breast cancers early, when a cancer is too small to see or feel.
Order or download free, reliable information that is easy to understand. Our booklets cover signs and symptoms, diagnosis, cancer types, treatments and living with cancer.
Waiting to hear the results of tests can be a worrying time. You can talk to us about how you are feeling.
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.
What's happening near you? Find out about support groups, where to get information and how to get involved with Macmillan where you are.
Read about Caroline's life after breast cancer. She talks about how reconstructive surgery helped her regain confidence in her body. She now associates her scars with defiance not defeat.
Affected by breast cancer? Join this group to share experiences and ask questions to people who understand what you're going through.
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Our information is also reviewed by people affected by cancer to ensure it is as relevant and accessible as possible. Thank you to all those people who reviewed what you're reading and have helped our information to develop.
You could help us too when you join our Cancer Voices Network – find out more at: http://www.macmillan.org.uk/cancervoices
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