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Serum levels of factors in group A and group B in the tumor drainage and peripheral blood. A: RANTES; B: EGF; C: PDGFAA; D: HER2; E: MMP7. RANTES: Regulated on activation normal T cell expressed and secreted; EGF: Epidermal growth factor; PDGFAA: Platelet-derived growth factor AA; HER2: Human epidermal growth factor receptor 2; MMP7: Matrix metalloproteinase 7.
