Underliggende risikofaktorer inkluderer tidligere ILD, pulmonal fibrose, lungecancer, eksponering af thorax for stråler og brug af pneumotoksiske lægemidler og/ eller kolonistimulerende faktorer.
Underlying risk factors include history of ILD, pulmonary fibrosis, lung cancer, thoracic exposure to radiation and use of pneumotoxic drugs and/ or colony stimulating factors.