Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . There are persistent areas of increased opacity in the right middle , right lower , left lower and left middle lung zones , unchanged from prior study . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are stable . There are small bilateral pleural effusions . There is no pneumothorax .
    OUTPUT:
    
1 . Multiple areas of increased opacity , unchanged from prior study , concerning for multifocal pneumonia . 2 . Small bilateral pleural effusions .