MMP7 and chronic obstructive pulmonary disease: Moreover, considering all COPD patients, no differences in MMP-7 median values were observed in those with cancer (5862 pg/mL (range 3380–10,875 pg/mL)) with respect to patients with COPD alone (5482 pg/mL, range 4544–15,910 pg/mL) (p = 0.150).