Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate a slightly rotated patient . The heart is normal in size . The mediastinal and hilar contours are within normal limits . Unfolding of the thoracic aorta is unchanged . The lungs are slightly low in volume , accentuating basilar vascular crowding . There is no confluent consolidation to suggest pneumonia . There is no pneumothorax , vascular congestion , or pleural effusion .
    OUTPUT:
    
No definite evidence for pneumonia .