Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided Port - A - Cath tip terminates in the region of the mid SVC . There are low lung volumes . Heart size is normal . The mediastinal and hilar contours are normal . Subsegmental atelectasis is noted within the right lower lobe . No focal consolidation , pleural effusion or pneumothorax is present . No free air is seen under the diaphragms . Bilateral percutaneous nephrostomy catheters are partially imaged .
    OUTPUT:
    
Subsegmental atelectasis in the right lower lobe . No free air under the diaphragms .