Types of Breast Cancer
Most types of breast cancers are classified as carcinomas that develop in the epithelial cells. When carcinomas develop in the breast they are specifically referred to as adenocarcinomas. Although, breast cancer is referred to as a single disease, it is categorized into non-invasive and invasive breast cancers based on its origin.
Invasive breast cancers: These are the most common type of breast cancers, which can invade the surrounding breast tissues. The following are the common type of invasive breast cancers:
Non-invasive breast cancer (carcinoma in situ): These cancers arise within the milk ducts or lobules, but do not invade the normal cell lining of either the ducts or the lobes. They are further divided into the following types:
There are many other types of cancers such as papillary carcinoma, mucinous carcinoma, micropapillary carcinoma, tubular carcinoma, medullary carcinomas etc which are less common types of breast cancer.
Some rare types of breast cancer include the following: