Breast cancer is a tumour that starts from cells in the breast and can spread to other areas of the body.
Normally, the cells in your breasts grow and reproduce themselves in a controlled manner. Breast cancer occurs when the cells grow abnormally, or in an ‘out-of-control’ way. In time, the abnormal cells can form lumps or tumours.
Breast cancer can happen at any age. In most cases, it occurs in women over the age of 50.
Women with a family or medical history or genetic factors are at high risk of developing the disease. Find out about when you should get screened for breast cancer by answering the Time To Screen Tool questions.
You should know how your breasts normally look and feel. Pay attention to changes, such as:
If you notice any changes, see your health care provider. Most changes are not cancerous but you should have them checked right away.
Find out more about breast cancer screening.
Call ServiceOntario, Infoline at 1-866-532-3161
In Toronto, 416-314-5518
In Toronto, TTY 416-327-4282
Hours of operation : 8:30am - 5:00pm