Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . Right - sided pleural effusion is unchanged which appears loculated laterally . There is mild blunting of the left lateral costophrenic angle suggests a small effusion . There is suggestion of a left - sided tube within the lower posterior chest on the lateral exam . Superiorly , the lungs are clear . The cardiac silhouette is enlarged but stable in configuration .
    OUTPUT:
    
Unchanged right - sided pleural effusion , potentially loculated . Left pleural drain likely within the lower posterior pleural space , not significantly changed since ___ .