Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left basilar chest tube is unchanged in position . Moderately - sized left pleural effusion appears slightly increased from the prior study on ___ . No pleural effusion on the right . There is no pneumothorax . Pulmonary vascular congestion is mild . Mild cardiomegaly .
    OUTPUT:
    
Left pleural effusion appears slightly larger compared to ___ . No pneumothorax .