Fig. 2From: Predictive and prognostic value of Matrix metalloproteinase (MMP) - 9 in neoadjuvant chemotherapy for triple-negative breast cancer patientsCorrelation between serum and histological MMP-9 in non-pCR patients. A higher serum MMP-9 (sMMP-9) level is more frequently observed in patients with higher positivity of histological MMP-9 level (hMMP-9), ***P < 0.001, **P < 0.01Back to article page