Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated . Streaky bibasilar opacities most likely represent atelectasis or scarring . Diffuse bilateral reticular opacities likely reflects underlying chronic lung disease . There is no pulmonary edema . Heart size is normal . Mild S - shaped curvature of the thoracolumbar spine is again noted .
    OUTPUT:
    
Hyperinflation without superimposed acute cardiopulmonary process .