Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy E right PAs , right lower lobe opacity is worrisome for pneumonia . There is also left mid lung opacity in a relative linear configuration which may be due to atelectasis . . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . The cardiac silhouette remains enlarged .
    OUTPUT:
    
Right base opacity is concerning for pneumonia . Lingular opacity most likely due to atelectasis although a second site of infection is not excluded .