• 2014 CIBC Run for the Cure

    We’re closer to a future without breast cancer, but we can’t stop now. Join us for the 2014 Canadian Breast Cancer Foundation CIBC Run for the Cure on Sunday, October 5th. Register to walk or run and start fundraising today!


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  • The Power of 10 by Scotties

    To mark 10 years of supporting Canadian Breast Cancer Foundation, Scotties gave some incredible women the chance to say thank you. Their messages were filled with hope—to the power of 10.


    Hear their stories now

  • Research Saves Lives

    Continued support allows the Foundation to play a vital role in internationally acclaimed, groundbreaking research discoveries in the areas of prevention, diagnosis, treatment and care.


    Learn more

  • My Breast My Test

    These are my breasts. Shouldn’t I have a say about my test?

    Join the discussion at facebook.com/mybreastmytest. Help end the confusion around mammography screening.


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  • Wall of Hope presented by CIBC

    Share your stories of inspiration, your reasons for participating, or your hopes for the future. Your message will inspire others and help us create a future without breast cancer.


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Home | Central | About Breast Cancer | Steps to Diagnosis

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How is Breast Cancer Diagnosed?

A breast lumpLump:
A mass that can be found in the breast or elsewhere in the body. This can also be called a nodule.
or another sign or symptom of breast cancer may be found by a screeningScreening:
The search for diseases such as breast cancer in people without symptoms. Mammography is an important tool for breast cancer screening and earlier detection.
mammogramMammogram (also called mammography):
A low-dose X-ray of the breast. It is used to take images of the breasts and is an important screening tool for the earlier detection of breast cancer.
or during a clinical breast examinationClinical breast exam (CBE):
A physical examination of the breasts by a health-care provider.
by a health care provider. You may also notice a breast change yourself by being breast aware.

However, a change to the breast does not necessarily mean that you have breast cancer. In fact, most breast changes are not breast cancer. More information is needed to properly diagnose the signs or symptoms you are experiencing.

Diagnostic Imaging and Biopsy

The first step used for diagnosis will most likely be an imaging technique, which is a way to get a better picture of what is happening in the breast. You may also need to have a biopsyBiopsy:
A procedure in which tissue samples are removed from the body for examination under a microscope to determine if cancer or other abnormal cells are present.
, where a small tissue sample is taken to be tested in a lab to see if it is cancer.

It is important to diagnose the condition promptly. If it does turn out to be breast cancer, earlier detection can lead to more treatment options and a better chance of surviving the disease.

Explore this section to learn more about the different methods used to diagnose breast cancer, including the following: