Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post posterior spinal fixation of the lower cervical spine , partially imaged . Anterior cervical spine fixation plate and screws are unchanged . The inspiratory lung volumes remain mildly decreased . Bibasilar atelectasis is increased from ___ . There is no focal consolidation concerning for pneumonia , large pleural effusion or pneumothorax . The pulmonary vasculature is not engorged and there is no overt pulmonary edema . The cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
No focal consolidation concerning for pneumonia . Mild bibasilar atelectasis .