Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Aortic knob is calcified . Patient is status post esophagectomy and gastric pull - through with unchanged appearance of the mediastinum compared to the previous radiograph . Worsening patchy opacities are noted in both lung bases , findings which could reflect aspiration . Small right pleural effusion is also noted . Lungs are hyperinflated with emphysematous changes re - demonstrated . No pulmonary edema is seen . No pneumothorax is present . There are no acute osseous abnormalities visualized .
    OUTPUT:
    
Patchy opacities within the lung bases concerning for aspiration . Small right pleural effusion .