• Inhalation of silicic materials usually resulted in radiographic opacities in the upper lung fields, while inhalation of other materials, especially asbestos (1332214) fibers, more commonly resulted in changes in the lung bases, which tended to be more irregular or linear in shape. (cdc.gov)
  • The total CT score, which was the most significant factor for chronic inhalation and chronic recurrent inflammatory lung diseases, varied between 2 and 21 points, with those having autoimmune diseases exhibiting the largest value for the mean CT score. (springeropen.com)