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Not all breast cancers are the same. Understand what type of breast cancer you have and how it differs from other types of breast cancer.
Once you've been diagnosed with breast cancer, your doctor will review your pathology report and results of any imaging tests to understand the specifics of your tumor.
Using a tissue sample from your breast biopsy or using your tumor if you've already undergone surgery, your medical team determines your breast cancer type. This information helps your doctor decide which treatment options are most appropriate for you.
Here's what's used to determine your breast cancer type.
The type of tissue where your breast cancer arises determines how the cancer behaves and what treatments are most effective. Parts of the breast where cancer begins include:
Milk ducts. Ductal carcinoma is the most common type of breast cancer. This type of cancer forms in the lining of a milk duct within your breast. The ducts carry breast milk from the lobules, where it's made, to the nipple.
Ductal carcinoma can remain within the ducts as a noninvasive cancer (ductal carcinoma in situ) or it can break out of the ducts (invasive ductal carcinoma).
When a sample of your breast cancer is examined under a microscope, here's what the pathologist looks for:
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