Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . There is no free air below the right hemidiaphragm . The lungs are clear . Cardiomediastinal silhouette is normal . Bony structures are intact . A sclerotic rounded density projecting over the midline T - spine on the frontal projection could represent a calcified granuloma or a bone island .
    OUTPUT:
    
No signs of free air .