Glossary Term:


invasive lobular carcinoma



also called infiltrating lobular carcinoma. A cancer that starts in the milk-producing glands (lobules) of the breast and then breaks through the lobule walls and grows into the nearby fatty tissue. From there, it may spread elsewhere (metastasize). About 15% of invasive breast cancers are invasive lobular carcinomas. This type of cancer is often hard to detect by physical exam or even on a mammogram. See also mammogram, metastasize.