Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show a right supraclavicular dual - channel catheter unchanged in position with the tip terminating at the cavoatrial junction . Anterior cervical fixation hardware is unchanged . The heart is top normal in size . The mediastinal and hilar contours are within normal limits and unchanged with a tortuous thoracic aorta . The inspiratory lung volumes are persistently low with increased bibasilar atelectasis compared to ___ . A new linear opacity in the right mid lung likely represents atelectasis but followup is recommended . No pleural effusion or pneumothorax is present . Mild pulmonary vascular congestion is noted .
    OUTPUT:
    
1 . Probable right mid lung atelectasis but followup is recommended . 2 . Low lung volumes and increased bibasilar atelectasis . 3 . Mild pulmonary vascular congestion .