MMP7 and breast angiosarcoma: The CHD-BA patients had an elevated median MMP-7 level of 82 ng/mL – this was above the standard cut-off of for BA of 52.8 ng/mL on the Luminex bead-based assay, but not statistically different from the median MMP-7 level of the BA alone group of 146 ng/mL (IQR 113–210 ng/mL, p=0.09).