A type of non-invasive cancer that usually does not spread. Some of the cancer cells die off and form small groups, called "comedo necrosis". (Necrosis means dead cells.) It tends to grow fast and suggests a higher risk of invasive cancer in the future.
See an illustration of comedo carcinoma.
For more information on invasive and non-invasive cancer, see Breastcancer.org's Types of Breast Cancer pages.
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