Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bedside upright AP radiograph of the chest demonstrates interval stability of the large right pleural effusion . Minimal atelectasis at the left lung base also persists . The lungs are otherwise clear . The visible portions of the hila and cardiomediastinal contours are normal . There is no pneumothorax nor left - sided effusion . Pulmonary vascularity is normal . The right central venous catheter and SVC stents are stable in position .
    OUTPUT:
    
Stable appearance of large right pleural effusion and minimal left basilar atelectasis .