Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Right - sided central venous catheter tip terminates at the junction of the SVC and right atrium . Cardiac , mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Elevation of the left hemidiaphragm is re - demonstrated . Left basilar streaky opacity likely reflects atelectasis . The right lung is grossly clear . No pneumothorax is identified . Numerous clips are demonstrated within the right upper quadrant of the abdomen .
    OUTPUT:
    
Low lung volumes . No radiographic evidence for pneumonia .