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 ± 0.81 for TNF-α (1.33-fold increase), to 2.5 ± 0.54 for HSP-27 (1.50-fold increase), to 2.16 ± 0.75 for CASP-3 (1.17-fold increase), to 2.16 ± 0.75 for 8-OHdG (1.17-fold increase)).