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Scatterplots for plasma levels of MMP-7 and MMP-26 from CA 15-3 in healthy (A), benign breast tumour (B) and BC patients: Stage I (C), Stage II (D), Stage III + IV (E). BC, breast cancer; CA 15-3, cancer antigen 15-3; MMP-7, matrix metalloproteinase 7; MMP-26, matrix metalloproteinase 26.
