Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval aeration of the right lung apex from ___ with opacification of the remainder of the lung , unchanged compatible with a large right pleural effusion , minimally improved from the prior study . The left lung is grossly clear . No pneumothorax is detected . There is no left pulmonary vasculature engorgement or overt pulmonary edema . The cardiomediastinal silhouette is incompletely assessed due to opacification of the right lung . The trachea remains midline . No acute osseous abnormality is detected .
    OUTPUT:
    
Interval aeration of the right lung apex with minimally improved large right pleural effusion compared to ___ .