Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Mild bibasilar atelectasis is noted . Blunting of the left costophrenic angle is consistent with prominent fat pad seen on prior CT . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable . Mild deviation of the trachea to the right secondary to an enlarged thyroid .
    OUTPUT:
    
No acute cardiopulmonary process .