20 It is highly significant to different CDC from other tumors that occur in the renal medulla, such as UTUC, renal medullary carcinoma, and type 2 papillary RCC, which have remarkable overlapping morphological features with CDC. 21 Therefore, IHC is very important for excluding other diagnostic entities.
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Collecting Duct Carcinoma of the Kidney: A Single-Center Retrospective Study of 23 Cases.
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