Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph is obtained . Hazy opacities are new in the mid and lower lungs , which is concerning for pneumonia . No large effusion or pneumothorax is seen . Cardiomediastinal silhouette appears grossly stable .
    OUTPUT:
    
New hazy opacities involving the mid and lower lungs could reflect pneumonia .