Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube ends 2 cm above the carina . A nasogastric tube ends in the stomach . Bilateral lower lobe opacities most likely represent atelectasis ; otherwise , the lungs are clear without focal consolidation or pneumothorax . The mediastinum appears widened , which may be due to increased intravascular volume or patient positioning . Mild interstitial edema and small bilateral pleural effusions are new since ___ . The heart size is normal .
    OUTPUT:
    
The endotracheal tube ends 2 cm above the carina . Mild interstitial edema and small bilateral pleural effusions are new since ___ .