Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left subclavian central venous catheter tip terminates in the lower SVC . Cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . Pulmonary vasculature is normal . Linear opacities in the right mid and lower lung fields , as well as the left lung base likely reflect subsegmental atelectasis . No focal consolidation , pleural effusion or pneumothorax is identified . Previously demonstrated FDG avid right lower lobe pulmonary nodule is better assessed on the recent PET - CT . Clips are noted projecting over the right hemidiaphragm . There are no acute osseous abnormalities .
    OUTPUT:
    
Subsegmental atelectasis in the lung bases and right mid lung field . No acute cardiopulmonary abnormality otherwise identified .