Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . The previous left lower lobe and left upper lobe opacities are almost completely resolved with only a small area of opacification remaining . The right lung is fully expanded and clear . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Interval partial resolution of left lower and left upper lobe pneumonia .