Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single AP supine view of the chest was obtained . Allowing for the supine technique , patient rotation and severe scoliosis , cardiomediastinal contour is within normal limits . Low - volume lungs are clear . There is no focal consolidation , pleural effusion or pneumothorax . An opacity at the right base likely reflects atelectasis .
    OUTPUT:
    
No evidence of pneumonia .