Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a moderate right pleural effusion which appears decreased in size as compared to chest radiograph dated ___ . There is improved right middle and lower lobe aeration with residual opacities which could represent atelectasis versus resolving pneumonia . The left lung is clear with much improved pleural effusion . The cardio -mediastinal silhouette is stable in appearance . The sternal wires are intact .
    OUTPUT:
    
Moderate right pleural effusion , decreased in size with associated improved aeration of the adjacent right middle and lower lobes . Small left pleural effusion has also decreased in size .