Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size , mediastinal , and hilar contours are normal . The lungs are clear without pleural effusion , focal consolidation , or pneumothorax . A radiopaque foreign body resembling a bullet fragment is identified overlying the upper thoracic spine , just to the left of midline .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Likely bullet fragment in the upper posterior thorax .