Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the right PICC line . An implantable loop recorder again projects over the lower left hemithorax . There is improved aeration of both lungs with minimal atelectasis at the left lung base . No pleural effusion or pneumothorax identified . Multiple bilateral chronic appearing rib fractures are noted . There also degenerative changes of both shoulders .
    OUTPUT:
    
Interval removal of the right PICC line . Improved aeration of both lungs with minimal atelectasis at the left lung base .