Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , or pneumothorax is seen . Heart and mediastinal contours are within normal limits . No pneumomediastinum is detected . There is mild dextroconvex thoracic scoliosis .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process or esophageal perforation . Discussed with Dr . ___ by Dr . ___ by phone at 6 :39 a .m . on ___ .