TNF and breast cancer: A similar trend, but with a low significance (p < 0.05), was observed for the 5-FU+BC group compared to the control (from a value of 0 to 2.33 ± 0.52 for TNF-α (1.33-fold increase), to 2.33 ± 0.51 for HSP-27 (1.33-fold increase), to 2.17 ± 0.75 for CASP-3 (1.17-fold increase), to 1.83 ± 0.75 for 8-OHdG (0.83-fold increase)).