Figure 7: Venn diagram of upregulated miRNAs in serum of breast cancer patients. Venn diagram demonstrating 16 upregulated miRNAs, including miR-548ah-5p common between luminal A and luminal B, miR-548ar-5p common between HER2 and luminal B, and miR25-3p common between luminal A and luminal B HER 2 positive. (a) HER 2; (b) luminal A; (c) luminal B; (d) luminal B HER2 positive.