A condition in which abnormal cells are found in the lobules of the breast. LCIS seldom becomes invasive cancer; however, having it in one breast increases the risk of developing breast cancer in either breast. Also called lobular carcinoma in situ. Found on http://www.cancer.gov/dictionary?expand=L
LCIS stand for lobular carcinoma in situ, which is a condition of the breast. It is not cancer, but people with LCIS are more likely to develop breast cancer in the future. Found on http://www.encyclo.co.uk/local/21474