Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the immediate prior radiographs , the multifocal areas of airspace opacity have increased in extent and severity , compatible with progression of multifocal pneumonia . There is no pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits . A well - healed lateral sixth rib fracture is incidentally noted .
    OUTPUT:
    
Increased extent and severity of multifocal pneumonia .