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Different Types

Invasive Breast Cancer: This type of breast cancer goes beyond the membrane of the lobule or duct and into the actual tissue of the breast. Invasive breast cancer can even spread further than the breast its self into parts of the body such as the lymph nodes of the armpit, the brain, the bones, the lungs, or even the liver. When breast cancer cells are found in other body parts it is called metastatic breast cancer. There are three different types of invasive breast cancer: invasive ductal carcinoma (IDC), ductal carcinoma in situ (DCIS), and infiltrating lobular carcinoma (ILC). ^[1]

Inflammatory Breast Cancer: This type of breast cancer is a faster form of breast cancer and is sometimes not detected by a mammogram. This type of cancer is very rare and only occurs in 2-5% of all cases of breast cancer. Inflammatory breast cancer normally does not form lumps within the breasts so it is much harder to detect. ^[2]

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Male Breast Cancer: Although the structure of breasts differs between men and women, men are still able to develop breast cancer because they still have a small amount of tissue. The tissue in breasts of men contains a few ducts, allowing for breast cancer to develop. The risk of men developing this type of cancer is very low; only 10 in a million men will be diagnosed. ^[3] 

Breast Cancer Recurrence: After the breast cancer has been treated, it can come back at any time. If it is going to come back it usually does so within the first three to five years after the first treatment. It can come back as local (where it was before) or distant (somewhere else in the body).  Because of this, regular breast exams should continue. ^[4]