Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates an unchanged cardiomediastinal silhouette , with the heart top - normal in size . Lung volumes are improved from the day prior . Bilateral opacities are improved compared to ___ , consistent with resolution of pulmonary edema . Persistent lingular opacity could represent overlying costochondral cartilage versus a consolidation consistent with pneumonia . There is trace , if any , pleural fluid bilaterally .
    OUTPUT:
    
1 . Improved aeration of the bilateral lungs and resolution of pulmonary edema compared to chest radiographs from 2 days prior . 2 . Persistent lingular opacity could represent overlying costochondral cartilage versus a consolidation consistent with pneumonia . Continued monitoring with chest radiograph is recommended .