Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . Compared to prior study , there has been no significant interval change . There is no evidence of focal opacity to suggest pneumonia . Several small areas of plate like atelectasis are again noted bilaterally . The cardiomediastinal silhouette , hilar contours and pleural surfaces are stable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .