Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are mildly hyperinflated . There is no focal consolidation , effusion , or pneumothorax . No pulmonary vascular congestion . Hilar and mediastinal contours are normal . Heart size is normal .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Mild hyperinflation .