Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lung is clear without pleural effusion . The moderate left pleural effusion has slightly improved . Left basilar opacity remains , likely atelectasis . A tiny left apical pneumothorax remains unchanged . Stable cardiomegaly .
    OUTPUT:
    
1 . Slight decrease in size of moderate left pleural effusion with persistent adjacent left basilar atelectasis and or consolidation . 2 . Stable tiny left apical pneumothorax .