Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest once again demonstrate clear lungs and normal hilar and cardiomediastinal contours . There has been interval resolution of mild pulmonary vascular congestion , most apparent in the right lower lung . There is no evidence of pneumonia . The heart size is normal . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No evidence of pneumonia .