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DCIS staining. Representative RNA ISH staining of three DCIS lesions (Cases A, B and C) for eight markers including positive control probe POLR2A. Arrows indicate low frequency signals. Scale bars: Case A, 200 μm; Cases B and C 50 μm except Case C: MKI67, 80 μm. Case studies of five DCIS (low, intermediate and high grade) stained for eight markers are shown in Figure S2.
