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Lobular carcinoma in situ with microinvasion

Six patients with lobular carcinoma in situ with microinvasion were described in this report. Lobular carcinoma in situ is not known to progress to microinvasive disease. Although this feature is rare, the current understanding that lobular carcinoma in situ is a marker needs to be revised.J. Surg. Oncol 1998;67:41–46.©1998 Wiley‐Liss, Inc.