Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Re - demonstrated are diffuse mild peripheral reticular opacities , suggestive of a mild chronic interstitial lung disease , as noted on previous chest CT . Bibasilar linear opacities are likely due to atelectasis . No definite focal consolidation is identified . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette and pulmonary vasculature are unremarkable .
    OUTPUT:
    
No acute intrathoracic abnormality . Probable mild chronic interstitial lung disease , as seen on the previous CT chest , without focal consolidation .