Chromosomal Alterations in Ductal Carcinomas In Situ and Their In Situ Recurrences

Abstract excerpt

BACKGROUND: Ductal carcinoma in situ (DCIS) recurs in the same breast following breast-conserving surgery in 5%-25% of patients, with the rate influenced by the presence or absence of involved surgical margins, tumor size and nuclear grade, and whether or not radiation therapy was performed. A recurrent lesion arising soon after excision of an initial DCIS may reflect residual disease, whereas in situ tumors...

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