Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube , Swan - Ganz catheter , right upper central venous catheter , and nasoenteric catheter are in expected unchanged position . There is new severe left lower lobe opacity , likely a combination of interval atelectasis and a moderate - to - large effusion . Overall increased density of the bilateral lungs and central vascular enlargement suggests interval development of new mild pulmonary edema .
    OUTPUT:
    
1 . Standard position of support devices . 2 . Probable new left lower lobe collapse with associated moderate - to - severe effusion . 3 . Probable new mild - to - moderate edema