Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is prominence of the pulmonary vasculature and interstitial markings , consistent with mild pulmonary edema . The heart remains markedly enlarged . There are no definite pleural effusions or pneumothorax . Right chest wall pacemaker is present with the lead in the right ventricle . Feeding tube can be followed up to the diaphragm .
    OUTPUT:
    
1 . Moderate - to - severe cardiomegaly and mild pulmonary edema . 2 . NGT can only be followed to the diaphragm and may need to be advanced .