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ABOUT BREAST CANCER > What is breast cancer?
WHAT IS BREAST CANCER?
If the first site of a cancerous growth or tumour is in the breast, the condition is called breast cancer.
Various kinds of breast cancer can occur in different tissues in the breast. Breast tissue covers a larger area than just the breast, extending up to the collarbone and from the armpit to the breastbone.
Breast cancer can also spread beyond the breast if cells break off from the growth or tumour and travel through the blood stream or lymphatic system to other parts of the body. This process is called metastasis or secondary cancer, but the condition is still identified as breast cancer.
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