Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath remains in good position in the low SVC . Chronic right - sided pleural effusion and basal atelectasis are stable . The right upper lobe and left lung remain clear . Trace left effusion is also unchanged . The cardiac silhouette is mildly enlarged . The hila do not appear enlarged . No pneumothorax
    OUTPUT:
    
Right -- ___ small pleural effusion is stable .