Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . There is no focal consolidation concerning for pneumonia . A linear opacity at the left lung base is consistent with atelectasis . Pulmonary vasculature is within normal limits .
    OUTPUT:
    
No evidence of pneumonia . Dr . ___ ___ these results with Dr . ___ at 10 :02 a .m . on ___ via telephone , 5 minutes after the time of discovery .