Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is minimal streaky density bilaterally consistent with subsegmental atelectasis . There is no focal consolidation . The heart is normal in size . The aorta is mildly tortuous . Mediastinal structures are stable . The bony thorax is grossly intact . There is no significant change
    OUTPUT:
    
Subsegmental atelectasis or scarring . No active pulmonary disease .