Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are asymmetric , right greater than left , opacities in a perihilar distribution compatible with pulmonary edema . Moderate enlargement of the cardiac silhouette is unchanged . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Moderate , slightly asymmetric , pulmonary edema in a perihilar distribution . 2 . Unchanged enlargement of the cardiac silhouette may reflect cardiomegaly or long standing pericardial effusion . There is no evidence of tamponade . Updated results were submitted to the ED QA nurse for communication to the primary care physician by ___ at 8 : 40 am , ___ .