Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest demonstrates persistent large right loculated pleural effusion and left basilar atelectasis with likely a small amount of effusion . There is no evidence of focal pneumonia or significant pulmonary edema . There is no pneumothorax . Right Port - A - Cath remains in unchanged position since the prior study .
    OUTPUT:
    
Persistent large right loculated pleural effusion and bibasilar atelectasis with likely small left pleural effusion . No significant change since the prior study .