Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Abnormal contour of the mediastinum secondary to esophagectomy and gastric pull - through . No definite airspace consolidation . A right chest wall infusion port is unchanged . Depression of the left hemidiaphragm is unchanged . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
No definite airspace opacity .