Breast Carcinoma In Situ

**Definition:** A condition in which abnormal cells have not spread outside the duct, lobule, or nipple to other tissues of the breast. There are 3 types of breast carcinoma in situ: DUCTAL CARCINOMA IN SITU; LOBULAR CARCINOMA IN SITU; and PAGET DISEASE OF THE NIPPLE.

**Tree numbers:** - C04.557.470.200.240.187 - C04.588.180.130 - C17.800.090.500.130