Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear , without consolidation , pleural effusion or pneumothorax . Subtle opacity in the right lung base may be due to overlying soft tissues . The cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
No definite evidence of pneumonia . Recommended a PA radiograph with elevated arms to better assess the subtle right lung base opacity . The revised findings were discussed with Dr .___ ___ telephone on ___ .