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Research and Development in Breast Ultrasound
The hormone-sensitive epithelial cells within the lobules are the major source of ductal carcinoma in situ (DCIS) of the breast. The neoplastic cells grow, and fill and increase the volume of the spaces bound by the basement membrane until they disrupt them. Even extensive cases of DCIS are unifocal in three dimensions and are usually confined to a single segment of the mammary duct system. The neoplastic cells can proliferate within the spaces that have been altered by benign proliferativedoi:10.1007/4-431-27008-6_15 fatcat:f23ifvrcgbgw7pxoo7fl7mphbm