Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Linear right basilar opacities likely represent atelectasis . There is no consolidation , pleural effusion , or pneumothorax . Cardiomediastinal silhouette is unremarkable . Left rib deformities are chronic .
    OUTPUT:
    
1 . Low lung volumes and basilar atelectasis . 2 . No evidence of pneumonia .