Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There are no pleural effusions or pneumothorax . Depicted only on the lateral view is a nodular density projecting anteriorly , a possible lung nodule , although more likely an artifact or density due to overlying soft tissue or bony structures . Otherwise , lung fields appear clear .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . Possibility of anterior nodule which can be assessed with chest CT if needed clinically .