Signet ring lobular carcinoma in situ as a part of the "Rosen Triad" (tubular carcinoma, columnar cell hyperplasia, and lobular carcinoma in situ)
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Objective: The association of tubular carcinoma, columnar cell lesions and lobular carcinoma in situ, also known as the "Rosen Triad", may be encountered in breast biopsies performed for evaluation of mammographically detected mi... ...
