Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As seen on prior chest CT examination , there is re- demonstration of postradiation changes and scarring within the right upper lobe . A moderate - sized right - sided pleural effusion is again seen . The left lung is grossly clear . No definite new focal consolidation or pneumothorax identified .
    OUTPUT:
    
Stable post radiation changes / scarring within the right upper lobe and moderate sized right - sided pleural effusion . No acute findings .