Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient history of alpha 1 antitrypsin deficiency . Extensive heterogeneous opacifications of bilateral lungs more severe in the bases consistent with the saccular bronchiectasis seen on prior chest CT . Given patient 's clinical symptoms , can not exclude pneumonia , acute or chronic . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unchanged . Interval placement of a right chest port seen with tip not well visualized but appears to be in the cavoatrial junction .
    OUTPUT:
    
Extensive bilateral lung opacifications consistent with history of saccular bronchiectasis bilaterally seen on previous chest CT in setting of alpha 1 antitrypsin deficiency . Can not exclude superimposed acute or chronic infection or pneumonia .