Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Lung volumes are low . In comparison to prior study from a day ago , the extent of pulmonary edema has improved significantly . Right upper lobe opacity has also improved . There is still residual moderate amount of pleural effusion seen bilaterally . There is no pneumothorax . Heart size is stably enlarged . Right IJ line terminates in the right atrium .
    OUTPUT:
    
1 . Compared to prior study from 1 day ago , there is significant improvement of pulmonary edema and right upper lobe pneumonia . 2 . Unchanged moderate bilateral pleural effusion .