Though significantly increased levels of IL-6, IL-1RA, and IL-8 cytokines were evident among the preoperative CAD cohort due to underlying chronic inflammation, the magnitude of IL-6 cytokine and IL-1RA were much higher after cardiac bypass surgery, indicating a more pronounced degree of inflammation among the postoperative CAD cohort, which is indeed in accordance with other studies [66,67,68]. The gene discussed is CXCL8; the disease is coronary artery disorder.