Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . Left basilar atelectasis . Slight flattening of the diaphragms , unchanged from the prior exam . Slightly increased interstitial markings , which is significantly improved compared to the prior exam . No focal pulmonary consolidation , pulmonary edema , pleural effusion , or pneumothorax . Enlarged cardiac silhouette . Normal mediastinal contours and hila , unchanged from prior exam . Slight tortuosity in the descending aorta , also unchanged . Diffuse bony sclerosis . Possible destructive process involving the right scapula . No discrete fracture line .
    OUTPUT:
    
1 . Diffuse bony sclerosis , most consistent with metastatic disease in the setting of patient 's history of breast cancer . Possible destructive process involving the right scapula . 2 . No focal consolidation to suggest pneumonia . 3 . Left basilar atelectasis . 4 . Stable cardiomegaly .