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Surgical Case Reports
Fig. 5 | Surgical Case Reports

Fig. 5

From: A case of ductal carcinoma in situ (DCIS) with markedly elevated CA15-3 levels requiring 2 years of diagnosis

Fig. 5

Expression of CA15-3 and CEA in core needle biopsy. a Expression of CA15-3 and b CEA in the first biopsy. CA15-3 was strongly positive throughout the mammary gland cells, and CEA was expressed only on the luminal surface. c Expression of CA15-3 and d CEA in the second biopsy. After the tumor markers had spontaneously decreased, CA15-3 was expressed on the luminal surface

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