Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volume is small . No consolidation . There is chronic diffuse opacities , unchanged from prior . No consolidation . No pleural effusions . No pneumothorax . The heart size is normal and unchanged . The mediastinum is normal . No fractures .
    OUTPUT:
    
1 . Chronic unchanged diffuse opacities due to chronic lung disease . 2 . No acute cardiopulmonary process .