Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates at the SVC / right atrial junction . Lung volumes remain low with bibasilar atelectasis appearing unchanged . Cardiac and mediastinal contours are similar . Pulmonary vasculature is not engorged . No pneumothorax or pleural effusion is detected . A percutaneous biliary catheter is noted coursing through a biliary stent . Multiple clips are noted about the midline abdomen and right upper quadrant of the abdomen . No subdiaphragmatic free air is noted .
    OUTPUT:
    
Low lung volumes with persistent bibasilar atelectasis .