Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 right chest tubes with no definite pneumothorax remaining . Right lower lobe atelectasis and opacities unchanged . Left pleural effusion and left lower lobe atelectasis also unchanged . Stable cardiomegaly . There is better aeration of the left lung .
    OUTPUT:
    
Improved expansion of the left lung . Small left effusion and left lower lobe atelectasis . Persistent right lung opacities and effusion . Chest tubes with no interval change .