Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Newly placed endotracheal tube in appropriate position ending approximately 5 .0 cm above the carina . Since prior , diffuse centralized alveolar airspace opacities have increased . Cardiac silhouette is stably enlarged . There is no pneumothorax . Pleural effusion is small if any .
    OUTPUT:
    
1 . Worsening alveolar airspace opacity most consistent with severe pulmonary edema . 2 . Endotracheal tube appropriately positioned .