Lobular carcinoma is a type of breast cancer that originates in the lobules, the milk-producing glands of the breast. This type of carcinoma is distinct from ductal carcinoma, which begins in the milk ducts. Lobular carcinoma can be classified into two main categories: Lobular Carcinoma In Situ (LCIS) and Invasive Lobular Carcinoma (ILC).
