Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Mildly increased interstitial markings diffusely may suggest mild interstitial edema , with more focal linear bibasilar opacities likely reflective of subsegmental atelectasis . Cardiac size is normal . There is a tortuous aorta . Mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Compression deformity of T12 is redemonstrated .
    OUTPUT:
    
Bibasilar subsegmental atelectasis and mildly increased interstitial markings likely reflective of mild interstitial edema .