Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size , mediastinal and hilar contours are normal . Lungs are clear except for a tiny calcified granuloma in the left lower lobe , unchanged since the prior studies . There are no pleural effusions or pneumothoraces . Post - surgical changes are present in the imaged portion of the right shoulder .
    OUTPUT:
    
Stable radiographic appearance of the chest , with no findings to account for cough .