Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . There is stable right apical pleural - based scarring and linear opacities at the left lung base suggestive of atelectasis versus scarring . The lungs are otherwise clear . The cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .