Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrate persistent right - sided pleural effusion . No appreciable effusion is identified on the left . There is no new focal consolidation . There appears to be re-expansion of the right upper lobe with filled of the right pleural space with fluid . The cardiomediastinal contour has a normal postoperative appearance . No pulmonary edema .
    OUTPUT:
    
Persistent right - sided pleural effusion . Re-expansion of the right upper lobe .