Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates in the low SVC . Low lung volumes persists . Cardiac , mediastinal and hilar contours are unremarkable . Subsegmental atelectasis is noted in the lung bases without focal consolidation . No pleural effusion or pneumothorax is detected . Pulmonary vasculature is normal . No acute osseous abnormality is visualized .
    OUTPUT:
    
Low lung volumes with subsegmental bibasilar atelectasis .