Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear opacities in the right lung are unchanged and most likely represent scarring . New opacity in the lingula may represent atelectasis or infection . There is no pleural effusion or pneumothorax . Moderate cardiomegaly is stable . The mediastinal contours are normal .
    OUTPUT:
    
New left lingular opacity may represent atelectasis or infection in the correct clinical setting .