Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Postoperative changes of esophagectomy with gastric pull - through are seen with surgical clips in the right side of the upper mediastinum and increased density paralleling the right side of mediastinum . Lungs are clear . There is no effusion or pneumothorax . There is no evidence of pneumomediastinum . The cardiac silhouette is within normal limits . Compression deformity of T12 is unchanged from plain film from ___ .
    OUTPUT:
    
No acute cardiopulmonary process .