Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the lateral view there is increased density projecting over the lower thoracic spine . This may localize the right on the frontal although is not dramatically different from prior . Known bilateral pulmonary nodules are better assessed on chest CT . Cardiomediastinal silhouette is stable . Left - sided volume loss is compatible with prior left - sided lobectomy . Chronic deformity of the left posterior rib is again noted .
    OUTPUT:
    
Increased density in the lateral view projecting over the spine which could represent interval development of infection , potentially within the right lower lobe although not definitively localized on the frontal view . Alternatively , increased density within the bones is possible . Followup will be necessary .