Overall, decorin constitutes a potent antitumorigenic signal by suppressing tumor cell proliferation, migration, invasion, metastasis and angiogenesis, rendering high stromal decorin expression a significant predictive marker of higher survival rates and the good prognosis in patients with breast cancer, according to a comprehensive and detailed meta-analysis that evaluated the prognostic value of stromal decorin expression [3,40]. Here, DCN is linked to breast cancer.