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Breast Cancer (Expert Forum)
Types of Breast Cancer
Questions posted in the Breast Cancer Forum are answered by medical professionals from The Cleveland Clinic. Topics include Breast Biopsy, Chemotherapy, Hormone Therapy, Lumps, Lumpectomy, Lymph node dissection, Lymphedema, Mammograms, Mastectomy, Radiation Therapy, Reconstruction, Self Breast Exam, and Surgery.
Doctor's Answer
by CCF-RN,MSN-JS, Oct 25, 2001 12:00AM
Dear Chloe, Breast cancers are generally devided into two types: invasive cancers and noninvasive or in situ cancers. Invasive cancers are generally divided into lobular (cancers that start in the lobules or sacs in the breast that produce milk) or ductal cancers (cancers that start in the tubes that carry milk from the lobule to the nipple. Within these broad categories there are over 30 types as seen under the microscope.
I'm not sure what you are referring to in terms of category. If this is from a mammogram result, category 4, per the Breast Imaging-Reporting and Data System means; there is a suspicious looking abnormality, not characteristic but has reasonable probability of malignancy and a biopsy should be considered. This data system categorizes on a scale of 1 to 5, with 5 being highly suggestive of malignancy.
I'm not sure what you are referring to in terms of category. If this is from a mammogram result, category 4, per the Breast Imaging-Reporting and Data System means; there is a suspicious looking abnormality, not characteristic but has reasonable probability of malignancy and a biopsy should be considered. This data system categorizes on a scale of 1 to 5, with 5 being highly suggestive of malignancy.
