Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent mild elevation of the left hemidiaphragm . Discoid atelectasis in the left mid lung . No focal consolidation . Cardiomediastinal and hilar contours are normal . No pleural effusions or pneumothorax . Cholecystectomy clips in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .