Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . The patient is rotated to the right . Chronic linear atelectasis in the left lower lobe is again noted . However , there is no focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Again noted is a hiatal hernia .
    OUTPUT:
    
No acute cardiopulmonary process .