Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The aeration of the right upper lobe appears slightly improved . The right lung base remains densely opacified , with a probable small to moderate right pleural effusion with superimposed atelectasis or consolidation . There may be a small left pleural effusion as well . There is mild to moderate pulmonary edema in the left lung , with moderate pulmonary edema in the right upper lobe . There is no pneumothorax . The postoperative subcutaneous air is unchanged , if slightly redistributed .
    OUTPUT:
    
1 . Slight improvement in right upper lobe aeration . 2 . Dense opacification of the right lower lung field , with probable small to moderate right pleural effusion and superimposed atelectasis or consolidation .