Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large left pleural effusion is present , new since ___ , with associated consolidation in the LLL and lingula . Underlying consolidation can not be excluded . There is no right pleural effusion . The right cardiac and mediastinal borders are within normal limits . There is no pneumothorax .
    OUTPUT:
    
Large left pleural effusion with LLL and lingular consolidation -- likely atelectasis though can not exclude underlying pneumonia .