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BREAST CANCER
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STAGE 3 – LOCALLY ADVANCED BREAST CANCER

Locally advanced breast cancer (stage 3) is invasive breast cancer that has one or more of the following features:

  • May be large (typically bigger than 5 cm)
  • May have spread to several lymph nodes in the underarm area (axillary nodes), or other areas near the breast
  • May have spread to other tissues around the breast such as skin, muscle or ribs.

However, there are no signs that the cancer has spread beyond the breast region or other parts of the body. Some stage 2 breast cancers are also considered locally advanced breast cancers.

Treatment for locally advanced breast cancer

Treatment for locally advanced breast cancer varies from person to person. The stage (extent) of your breast cancer is an important factor when making decisions about treatment. However, other factors can also be important, such as where the cancer is in the breast, the cancer’s grade, and whether the cancer is hormone receptor positive, HER2 positive or triple negative. Your doctor will also consider your age, general health and preferences.

Treatment for locally advanced breast cancer will usually involve a combination of treatments, such as:

  • Chemotherapy
  • Breast surgery
  • Radiotherapy
  • Targeted therapies
  • Hormonal therapies

Treatments may be given in different orders and combinations. Learn more about different treatment options here.