Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An opacity in the right infrahilar region on the PA image and overlying the spine on the lateral image is consistent with pneumonia . The previously seen opacity on the left has improved suggesting it was likely due to edema . A pulmonary edema is improved from the prior radiograph , although a small amount of edema remains . The cardiac silhouette is stably enlarged . There is no pleural effusion or pneumothorax . A right internal jugular double - lumen hemodialysis catheter ends in the atrium .
    OUTPUT:
    
1 . Right infrahilar opacity is most likely pneumonia . 2 . Improving pulmonary edema .