Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable AP chest radiograph was obtained . The endotracheal tube terminates 6 cm above the carina . An enteric catheter loops in the fundus of the stomach . Cardiomegaly is severe . Additional widening of the upper mediastinum is attributable to fat . Small pleural effusions and subsegmental atelectasis are better seen on the subsequently acquired CT . The aortic arch is extensively calcified . Median sternotomy wires and mediastinal vascular clips are in expected positions .
    OUTPUT:
    
1 . Endotracheal and nasogastric tubes in appropriate position . 2 . Cardiomegaly . 3 . Bilateral pleural effusions better seen on subsequently acquired CT .