Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is streaky density bilaterally most consistent with scarring or subsegmental atelectasis . Addition , there are ill - defined radiopacity is projected in the lower lungs , particularly adjacent to the right heart border , that probably represent bronchiectasis . This assessment is difficult due to overlying costochondral cartilage . There is no definite focal consolidation . The heart is normal in size . The aorta is tortuous and calcified . Mediastinal structures are stable . The bony thorax is grossly intact .
    OUTPUT:
    
No definite acute change . The lung findings as described likely represent subsegmental atelectasis or scarring and bronchiectasis . CTA may be helpful if further evaluation is clinically indicated .