Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate clear lungs bilaterally . There is no focal opacity convincing for pneumonia . Cardiomediastinal and hilar contours are stable in appearance relative to prior study dated ___ . The heart is mildly enlarged . There is no pleural effusion , pneumothorax , or evidence of pulmonary edema . Mild anterior wedging of the lower thoracic vertebral body is unchanged .
    OUTPUT:
    
No evidence of pneumonia .