Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest demonstrates top normal cardiac size . The lung volumes are low , accentuating bronchovascular crowding . There is no confluent consolidation to indicate pneumonia . There is no pneumothorax or large effusion . There is no definite pulmonary vascular congestion .
    OUTPUT:
    
No evidence of pneumonia .