Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs are obtained with patient in the upright position . Heart is normal size and cardiomediastinal contours are unremarkable . Lungs are hyperinflated but clear with no discrete focal consolidation to suggest pneumonia . No pleural effusions . No pneumothorax .
    OUTPUT:
    
No radiographic evidence of pneumonia .