TNFAIP3 and invasive ductal breast carcinoma: Invasive ductal carcinoma (IDC) exhibited the most prominent inhibition of TNFAIP3 at both mRNA and protein levels, with mRNA levels at 4.82 ± 0.35 log2(TPM + 1), representing a 1.9‐fold downregulation compared to normal, and a protein Z‐score of −0.92 ± 0.51.