Combined pulmonary fibrosis and emphysema (CPFE) is a recently defined syndrome. in which centrilobular and/or paraseptal emphysemas in upper lung zones coexist with pulmonary fibrosis in lower lobes in individuals. These patients have a characteristic lung function profile. with unexpected subnormal dynamic and static lung volumes. https://www.allfixelectricales.shop/product-category/oven-door-lock/