Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided PICC line in situ with the tip in the mid SVC . No right - sided pneumothorax . Difficult to comment on the cardiomediastinal shadow due to the technical factors . Left lower lobe atelectasis . No airspace consolidation . Evidence of a reverse right shoulder arthroplasty .
    OUTPUT:
    
Right - sided PICC line in situ with the tip in the mid SVC . Left lower lobe atelectasis .