Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends 4 .8 cm above the carina . A left chest wall AICD device is seen with leads in the expected position of the right atrium and right ventricle . The NG tube terminates in the proximal stomach . The heart is mildly enlarged . The hilar and mediastinal contours , are unremarkable except for mild aortic arch calcification . Mild pulmonary edema is seen . Bibasal opacities likely represent atelectasis . There are no pleural effusions or pneumothorax . Rounded calcific densities overlying the right upper abdomen , may represent gallstones or may be external to the patient .
    OUTPUT:
    
Endotracheal tube terminates 4 .8 cm above the carina . Mild cardiomegaly and pulmonary edema .