Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate a large left - sided pleural effusion with collapse of the left lower lobe and lingula . There is upward deviation of the left mainstem bronchus . The right lung is clear . There is no pneumothorax .
    OUTPUT:
    
Large left - sided pleural effusion with collapsed left lower lobe and lingula . Similar appearance to ___ and ___ .