Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Bibasilar linear densities likely represent atelectasis . There is no consolidation concerning for pneumonia . No effusion or pneumothorax . No signs of congestion or edema . Cardiomediastinal silhouette is stable . Multiple chronic left ribcage deformities again noted . No acute bony injury .
    OUTPUT:
    
No acute findings .