Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of chest were obtained . The heart size and cardiomediastinal contours are normal . Right base linear opacities are chronic and compatible with atelectasis or scarring . Slight elevation of the lateral aspect of the apparent right hemidiaphragm is compatible with a tiny pleural effusion . No focal consolidation or pneumothorax . Chronic right ___ rib fracture is unchanged .
    OUTPUT:
    
Chronic right base atelectasis or scarring . Possible tiny right pleural effusion .