Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left PICC terminates in the distal SVC . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lung volumes are low which accentuates bronchovascular markings . There is minimal atelectasis at the bases , right greater than left . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Left PICC at the distal SVC . Minimal bibasilar atelectasis and low lung volumes .