Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . Lung volumes are slightly low , but there is no focal consolidation concerning for pneumonia . Atelectasis is present at the right lung base . Nonunion of a right distal clavicular fracture is noted . Spinal fusion hardware overlying the low cervical spine is noted .
    OUTPUT:
    
Low lung volumes with right basilar atelectasis . No focal consolidation concerning for pneumonia .