Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Other than left basilar atelectasis , greater than right , the lungs are clear with no focal opacities concerning for pneumonia . There are no pleural effusions or pneumothorax . The cardiomediastinal and hilar contours are normal . The pulmonary vascularity is normal .
    OUTPUT:
    
No acute cardiopulmonary process .