Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided port remains in the mid SVC . Moderate left - sided pleural effusion . No pulmonary edema . Mild to moderate cardiomegaly . Mild biapical scarring . The right lung is otherwise clear . Prior right lumpectomy .
    OUTPUT:
    
Moderate left - sided pleural effusion , increased since the prior .