About DCIS

The breasts

Information about the structure and function of the breasts.

Risk factors & causes

An explanation of the factors that can increase your risk of developing DCIS.

What is DCIS?

DCIS is the earliest possible form of breast cancer.

Social Media Groups

Questions about cancer?

For answers, support or just a chat, call the Macmillan Support Line free (Monday to Friday, 9am-8pm)

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If you have any questions about cancer, need support or just want someone to talk to, ask Macmillan.

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Macmillan Cancer Support, registered charity in England and Wales (261017), Scotland (SC039907) and the Isle of Man (604). A company limited by guarantee, registered in England and Wales company number 2400969. Isle of Man company number 4694F. Registered office: 89 Albert Embankment, London SE1 7UQ.