Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . There are again mildly prominent interstitial markings in the upper lungs but this does not appear likely to represent a can be acute abnormality .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .