Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left IJ central line has been removed . The left subclavian PICC line tip is not well seen on the frontal view and no edge enhanced images are available . However , on the lateral view , the PICC line appears to extend beyond the distal SVC and to overlie the right atrium . No pneumothorax is detected . Otherwise , left base atelectasis has improved compared with the prior study . There is upper zone redistribution , without other evidence of CHF . The cardiomediastinal silhouette is is probably unchanged allowing for technical differences . Suspect background COPD . Nodular density at the right lung base projecting between the anterior fifth and sixth ribs was not seen on prior study AA is likely represents artifact . Please see report from ___ chest CT referring 2 small right nodules . Probable old healed fracture right clavicle as well severe right glenohumeral osteoarthritis .
    OUTPUT:
    
1 . PICC line tip probably lies beyond the SVC / RA junction . This suggests that it should be retracted to lie in the distal SVC . Consider repeat frontal view with increased penetration and / or further assessment of the current study with edge enhanced post processing . 2 . Equivocal nodule right lung base . Please see comment above .