Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate no focal consolidation . Except for linear atelectasis in the right lower lung , the lungs are clear . The cardiomediastinal and hilar contours are normal . There is no pneumothorax or pleural effusion . Pleural surfaces are normal .
    OUTPUT:
    
No evidence of pneumonia .