Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube , right internal jugular central venous line , and enteric tube are unchanged in position . Heart size is mildly enlarged , as before . Pulmonary edema is moderate , slightly worse from the prior study . Lung volumes are similarly low . No large pleural effusion or pneumothorax .
    OUTPUT:
    
Mild - to - moderate interstitial edema and cardiomegaly , with similar low lung volumes .