Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . The lungs are fully expanded without focal consolidation . Views of the upper abdomen are unremarkable . Vascular treatment coils within the upper abdomen are again noted . An 8 x 12 mm irregular opacity projecting over the right first rib anteriorly is sclerosis of the costal sternal as documented by the chest CTA performed subsequently , available the time of this final review .
    OUTPUT:
    
No evidence of pneumonia .