We evaluated the protein expression of key inflammasome components including NLR family pyrin domain-containing 3 (NLRP3), PYD and CARD domain-containing protein (PYCARD), caspase-1 (CASP1), and interleukin-18 (IL-18) by immunohistochemistry in tumor samples from 88 TNBC patients stratified by BRCA1 status, including pathogenic germline mutations, promoter hypermethylation, and wild-type tumors. Here, IL18 is linked to neoplasm.