IL18 and breast cancer: The concentrations of pro-inflammatory cytokines IL-1β and IL-18 were maximally increased in the luminal A (+317.7%, p = 0.0004 and +33.1%), luminal B(−) (+189.9%, p = 0.0407 and +13.2%), and luminal B(+) breast cancer (+294.5%, p = 0.0092 and +22.4%) subgroups compared with the non-luminal (+176.4%, p = 0.0502 and −14.4%) and TNBC (+63.7% and −23.7% for IL-1β and IL-18, respectively).