Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Left - sided PICC line terminates in the upper right atrium , retraction by 1 .5 - 2 cm is recommended . Otherwise , lungs are clear . Moderate cardiomegaly appears chronic . Left sided old healed rib fractures is again see .
    OUTPUT:
    
Left - sided PICC in the upper atrium , retraction by 1 .5 - 2 cm is recommended .