Prognostic factors were a matter of research as of 2012, but preliminary evidence suggests that duration of employment and reported use of respiratory protection are not prognostic factors, but the serum level of<unk>  may be a prognostic factor - higher levels of serum<unk>  have been associated with worse prognoses.<unk>  disease has been fatal in several cases.
Indium lung
Lung cavity
Pleural cavity
Burst lobe
Pulmonary bay
Lung
Thoracic inlet
Subclavian loop