Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New patchy airspace opacities are present involving the bilateral perihilar regions and extending into the bilateral bases , concerning for multifocal pneumonia , which has developed since ___ . No pleural effusion or pneumothorax is detected . The cardiac silhouette is normal in size allowing for slight patient rotation . The mediastinal contours are within normal limits . The trachea is midline . There is no free air beneath the right hemidiaphragm . No acute osseous abnormality is detected .
    OUTPUT:
    
New multifocal airspace opacities concerning for multifocal pneumonia .