Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A PA and lateral view of the chest were obtained . In comparison to the prior exam , lung volumes are lower . Linear opacities at the right base are accentuated due to low lung volumes , but grossly unchanged from the prior exam and likely represents scarring and atelectasis . Left mid lung linear atelectasis / scarring is also again seen . There is no discrete consolidation , pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Right basilar and lingular scarring / atelectasis .