Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube and 6 cm above the carina . The nasogastric tube is coiled in the pharynx . Bilateral lower lobe opacities , left greater than right , most likely represent atelectasis or aspiration . No pulmonary edema , pleural effusion or pneumothorax . There is moderate to severe cardiomegaly . A pacer has leads ending in the right atrium and right ventricle . There prosthetic aortic and mitral valves . The aorta is unfolded .
    OUTPUT:
    
1 . The endotracheal tube is in appropriate position . 2 . The nasogastric tube is coiled in the pharynx . 3 . Bilateral lower lobe opacities , left greater than right , most likely represent atelectasis or aspiration .