Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , pleural effusion or pneumothorax . An SVC stent is unchanged . Cardiac and mediastinal silhouettes are stable . A sclerotic focus projecting over the right posterior seventh rib corresponds to the sclerotic focus on CT ___ , likely a bone island .
    OUTPUT:
    
No pneumonia , edema or effusion .