Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the most recent CXR on ___ , there is a new rectangular shaped foreign body in the distal esophagus just proximal to the GE junction , compatible with patient 's recent history of swallowing a battery . The lungs are free of focal consolidations , pleural effusions or pneumothorax . No pneumomediastinum . Cardiomediastinal silhouette is within normal limits . No free air under the diaphragms .
    OUTPUT:
    
New foreign body in the distal esophagus , which likely represents the battery that the patient recently swallowed .