Types of Breast Cancer Tumors

Institutes & Services > Women's Services

Five different kinds of breast cancer exist:

Lobular Carcinoma In Situ (LCIS) 

  • LCIS occurs when abnormal cells form in the lobules (groups of glands) of the breast. Actually, LCIS is not a cancer. It’s a sign of a higher risk of developing breast cancer.

Ductal Carcinoma In Situ (DCIS) 

Invasive Ductal Carcinoma 

  • This is the most common kind of invasive breast cancer. It begins in the ducts of the breast but then spreads deeper into the breast. It can potentially spread to other body sites (known as metastasis).

Inflammatory Breast Cancer 

  • This rare form of breast cancer can look like a skin infection with red or different colored skin. It can also present with tiny dimples, like an orange peel. If your breast looks like this, see your health care provider right away.

Invasive Lobular Carcinoma 

  • Most breast cancers start in the ducts, but this type begins in the lobules and spreads to nearby tissues and possibly into the lymph nodes.

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