CCL21 and breast cancer: CCL1, CCL2, CCL3, CCL4, CCL5, CCL7, CCL8, CCL11, CCL13, CCL14, CCL15, CCL16, CCL17, CCL18, CCL19, CCL20, CCL21, CCL22, CCL23, CCL24, CCL25, CCL26, CCL27 and CCL28 were altered in 2.6, 2.4, 1.8, 1.5, 1.4, 2.8, 2.2, 2.4, 2.7, 1.9, 2.1, 1.7, 0.6, 1.5, 1.6, 2.2, 2, 0.9, 1.6, 1.2, 0.7, 1.3, 1.9 and 5% of the queried BC samples, respectively (Fig. 6A).