Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are normal . The bilateral hila are normal . There is stable elevation of the right hemidiaphragm as compared to prior radiograph which may represent diaphragmatic eventration . There are no focal lung consolidations , calcifications , or other changes indicative of latent or prior TB infection . There is no evidence of pulmonary vascular congestion , pneumothorax , or effusion .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .