Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate slight elevation of the left hemidiaphragm , as before , with mild bibasilar atelectasis or scarring , but no evidence of pleural effusion , pulmonary edema , pneumothorax or focal consolidation . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Minimal bibasilar atelectasis or scarring , left greater than right . No acute cardiopulmonary process .