Mar 09, 2019 · People diagnosed with LCIS tend to have more than one lobule affected. Despite the fact that its name includes the term “carcinoma,” LCIS is not a true breast cancer. Rather, LCIS is an indication that a person is at higher-than-average risk for getting breast cancer at .
Lobular carcinoma in situ (LCIS) means abnormal cells are in the lobules of the breast. LCIS is sometimes grouped with ductal carcinoma in situ (DCIS) as a type of non-invasive breast cancer, but LCIS is different from DCIS and is not cancer. It is a benign (noncancerous) condition that puts you Last Revised: August 18, 2016.
What is lobular carcinoma in situ (LCIS)? The lobules of the breast are small round sacs that produce milk for breastfeeding. When abnormal cells grow inside the lobules, but have not spread to nearby tissue or beyond, the condition is called lobular carcinoma in situ (LCIS).