Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two frontal views of the chest demonstrate an esophageal tube which courses below the diaphragm , into the stomach and out of view . The lungs demonstrate no evidence of focal opacification concerning for pneumonia or aspiration . There is no pleural effusion or pulmonary edema . No pneumothorax is present .
    OUTPUT:
    
No acute cardiopulmonary process .