Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ and CT chest from ___ . Right apical scarring is again seen . The lungs are otherwise clear without effusion or consolidation . Cardiomediastinal silhouette is within normal limits , noting a tortuous aorta . Density projecting over the thoracic spine on the lateral view is compatible with bone island identified on prior CT scan . No free air seen below the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process . No free air below the diaphragm .