Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate a pH capsule in the mid to lower esophagus . The cardiomediastinal silhouette is normal . The lungs are clear , without pneumothorax , vascular congestion , or pleural effusion . Cholecystectomy clips are noted .
    OUTPUT:
    
1 . Expected location of a pH capsule in the mid to lower esophagus . 2 . No acute cardiopulmonary process .