Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 05 :36 is submitted .
    OUTPUT:
    
Endotracheal tube , left internal jugular central line , and nasogastric tube are unchanged in position . There is improving aeration in both lungs consistent with resolving but residual pulmonary edema . There is persistent retrocardiac consolidation with associated layering effusion consistent with partial left lower lobe atelectasis . No pneumothorax is seen , although the sensitivity to detect pneumothorax is diminished given semi erect positioning . Stable cardiac enlargement .