Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The large left pleural effusion appears similar to the study performed 3 hours earlier . The right lung is clear . There is a large left pleural effusion with associated left lower lobe and lingular collapse . No pneumothorax . Right chest wall Port - A - Cath terminating in the right atrium is unchanged . Unable to evaluate the is cardiac silhouette due to overlying effusion and atelectasis ; however , in the setting of large pleural effusion pericardial effusion could also be present .
    OUTPUT:
    
Overall unchanged appearance of the chest with large left pleural effusion .