NFKB1 and inflammatory breast carcinoma: Contrary to some DNA anomalies that we have previously observed in IBC by means of allelic imbalance analysis, we found no significant difference here in NF-κB-associated gene expression levels between PEV2 tumors (localized inflammation) and PEV3 tumors (extensive inflammation and poorer prognosis than PEV2 tumors) [32].