Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A large right pleural effusion with adjacent right basilar opacity is similar in comparison to the prior study , allowing for differences in imaging acquisition technique and patient positioning . The heart size is stable . No pneumothorax is seen . There is no pulmonary edema . The left lung is grossly clear .
    OUTPUT:
    
No significant interval change in appearance of large right pleural effusion and right basilar opacity , compatible with known metastatic disease .