Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . The left lung is clear . Right hemithorax shows extensive subpleural thickening and opacification particularly at the right lung apex without change . There is no definite pleural effusion or pneumothorax . Chest is hyperinflated . Calcified pleural plaques are present .
    OUTPUT:
    
Stable chronic - appearing volume loss and subpleural thickening and scarring in the right hemithorax , but no definite evidence of acute superimposed disease .