Consistently, the significantly changed LPO, MPO, SOD3, NOS2 (iNOS), GCLM, HMOX1 (HO-1), and AKR1C2 gene expressions in the 18 additional CRSwNP NP testing samples were confirmed and kept at significantly changed levels. The gene discussed is HMOX1; the disease is chronic rhinosinusitis with nasal polyps.