Circulating vascular endothelial growth factor A (VEGFA), fibroblast growth factor 2 (FGF2) and IL8 levels measured at different time points before and after surgery. (A) Both groups of patients. (B) Breast cancer patients only. Values are shown as means± SEM. D3,sampling on postoperative day 3; D7,sampling on postoperative day 7. Only significant P values are shown and refer to paired t tests.