CD274 and inflammatory breast carcinoma: Moreover, a study found that, in inflammatory breast cancer (IBC) and triple-negative inflammatory breast cancer (TNIBC), CD20+ TIL/PD-L1+ TIL is an independent prognostic factor for IBC and TNIBC, suggesting that B cells play an important role in antitumor immune response and anti-PD-1/PD-L1 and B-cell activated immunotherapy should be further discussed [44].