Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits and stable . There is no focal consolidation or pleural effusion . No pneumothorax . There may be trace atelectasis the basal left lung . No free intraperitoneal air .
    OUTPUT:
    
No acute cardiopulmonary process . No free intraperitoneal air .