Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , endotracheal tube and right IJ central venous catheter remain in standard position . Right lung opacification the likely representing a combination of layering pleural fluid , atelectasis , and aspiration has improved from ___ and ___ be minimally improved compared to yesterday . Cardiomediastinal silhouette is stable . There is no pneumothorax .
    OUTPUT:
    
Minimal improvement of right lower and upper lobe opacities .