Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA AND LATERAL VIEWS OF THE CHEST . There is a small left pleural effusion . No right pleural effusion . The lungs are clear . No evidence of pneumonia . The cardiac , mediastinal , and hilar contours are stable . No pneumothorax . Median sternotomy wires are in place in appropriate position .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Small left pleural effusion .