Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is within normal limits . The mediastinal and hilar contours are unchanged . Pulmonary vasculature is normal . Linear opacities in the lingula are compatible with areas of subsegmental atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . Patient is status post left mastectomy and left axillary node dissection with clips noted in this region . The osseous structures are diffusely demineralized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .