Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . The left hemidiaphragm is slightly higher than the right , possibly due to a diaphragmatic eventration . This is unchanged from the prior exam .
    OUTPUT:
    
No acute cardiopulmonary process .