49 Even among breast pathology specialists, disagreement in the categorization of ADH and DCIS may be significant. 49 Early pathologic classification of DCIS described its architecture. 50 The architectural types can be categorized as comedo, solid, cribriform, papillary, and micropapillary; however, many DCIS histopathologic specimens contain a mixture of architectures and is not believed to be prognostically discriminatory.
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