NFKB1 and neoplasm: That tumor cells extracted from post‐treatment mice displayed several of the in vitro findings (e.g., PARP cleavage, TRAF3 up‐regulation, and down‐regulation of c‐FLIP) suggests that analogous mechanisms for example, involvement of the extrinsic apoptotic and non‐canonical NF‐κB pathways operate in vivo.