Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Surgical clips in the right axilla are stable from ___ . On the previous examination , there is a large degree of air and fluid within the pleural space at the right lung base . On today 's examination the pleural spaces completely filled with fluid and the fluid tracks up the right chest wall . Collapse of the right middle lobe is likely improved . The right lower lobe is unchanged . The right chest tube is in stable position ending at the right lung base . A catheter in the IVC and ending in the right atrium is unchanged in position . Hilar and cardiomediastinal contours are normal .
    OUTPUT:
    
Moderate to large right pleural effusion is increased from ___ . There is persistent collapse of the right lung base .