Radiation-induced bronchiolitis obliterans organising pneumonia (BOOP) is a lung disease which is pathologically characterized by the presence of granulation tissue polyps within respiratory bronchioles and alveoler ducts and patchy areas of organizing pneumonia. Etiologic factors include infection. drug administration. collagen vascular disease. https://allfixelectricales.shop/product-category/dryer-duct-hose/