Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no pleural effusion or pneumothorax . There is an apical to basilar gradient of subpleural interstitial opacities . The cardiomediastinal silhouette is similar to prior examination done ___ . Midline left lateral surgical materials are seen which likely represent hiatal hernia repair as noted in the patient 's chart history and seen in CT chest dated ___ .
    OUTPUT:
    
Apical to basilar gradient of subpleural interstitial opacities suggesting either NSIP or UIP , follow up with CT ___ year can be considered .