Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest from ___ at 02 : 13 is submitted .
    OUTPUT:
    
A right pigtail pleural catheter remains in place . There is a slightly smaller layering right pleural effusion with adjacent airspace opacity likely reflecting compressive atelectasis of the right lower lobe . Superimposed infection can not be excluded . No pneumothorax is appreciated . No pulmonary edema . Overall cardiac and mediastinal contours are stable .