Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are unremarkable . There is no pleural effusion or pneumothorax . There is obscuration of the right heart border , with patchy opacity seen on the lateral view , which is consistent with a focal right middle lobe pneumonia .
    OUTPUT:
    
Right middle lobe pneumonia .