Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately well inflated and clear . No pleural effusions , hemothorax or pneumothorax . Cardiomediastinal silhouette is within normal limits with aortic knuckle calcification . Left - sided subclavian line terminates in the proximal SVC . Diffuse demineralization .
    OUTPUT:
    
1 . Well inflated clear lungs . 2 . No pleural effusion / hemothorax or pneumothorax . 3 . Left subclavian line terminates in the proximal SVC