Digital Atlas of Breast Pathology by Meenakshi Singh, MD - Department of Pathology, Stony Brook University Medical Center

DCIS of cribriform and micropapillary types within ducts.
The coalescent fronds form arcuate structures which can resemble the lumens formed in cribriform intraductal carcinoma. It is not unusual to find intraductal carcinomas with a combination of micropapillary and cribriform features.

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