Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Extensive spinal fixation hardware is noted spanning the mid upper thoracic spine . A sclerotic nodular focus projecting over the right sixth posterior rib corresponds with a bone island seen on prior T - spine CT from ___ . The lungs are clear without focal consolidation , large effusion or pneumothorax . The cardiomediastinal silhouette appears normal . Bony structures appear intact .
    OUTPUT:
    
No acute intrathoracic process .