Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable radiograph of the chest . There are diffuse , asymmetric , alveolar opacities with air bronchograms in the left upper and right lower lobes . These are new since the prior radiograph . No pleural effusions are seen . Unchanged appearance of a port in the right chest wall with a catheter terminating in the right atrium . The cardiac silhouette is unchanged . No pneumothorax is seen .
    OUTPUT:
    
New left upper and right lower lobe opacities concerning for multifocal pneumonia .