Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . Bibasilar atelectasis is similar to the prior study of ___ . The cardiomediastinal silhouette is stable . Hyperexpansion is unchanged .
    OUTPUT:
    
Hyperexpansion . No evidence of acute cardiopulmonary process .