Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . Linear segmental atelectasis is seen in the basal portion of the right upper lobe . No pleural effusion or pneumothorax is seen . The left lung is clear . Incidental note is made of cervical spine fixation hardware .
    OUTPUT:
    
Linear segmental right upper lobe atelectasis . No evidence of pneumonia . Recommended short interval follow - up to assess resolution . If this has not resolved a chest CT is recommended to rule out an underlying mass .