Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . Area of increase density overlying the right hilum with a sharp lower margin is of unclear clinical significance . Severe cardiomegaly is reidentified . The hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Area of increase density overlying the right hilum with a sharp lower margin is of unclear clinical significance . Chest CT is recommended for further assessment . 2 . Severe cardiomegaly , unchanged . The impression was entered as an urgently flagged wet read on the ED dashboard by Dr ___ on ___ at 9 :05 am after discussion with the attending as the patient was still in the ED .