Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . Nodular opacity projecting over the spine on the lateral view is compatible with prominent left - sided osteophyte at the costovertebral body junction on prior chest CT . There is very subtly increased density involving the right lower lobe , which may reflect areas of subsegmental atelectasis . There is moderate dextroscoliosis of the thoracic spine .
    OUTPUT:
    
Slightly increased density in the right lower lobe may reflect some subsegmental atelectasis however could represent a small focus of infection in the appropriate clinical setting .