Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip terminates approximately 5 .4 cm from the carina . An enteric tube courses below the left hemidiaphragm , off the inferior borders of the film . Heart size is mildly enlarged . Atherosclerotic calcifications are seen in the aortic arch and descending thoracic aorta . Both hila are slightly enlarged , which can be seen with pulmonary hypertension . Emphysema is noted . Scarring within the lung apices is present , with bullous disease in the right apex . Patchy opacities within the lung bases , more so on the left , may reflect atelectasis though aspiration is not excluded . No pleural effusion or pneumothorax is clearly noted on this supine exam , though the left costophrenic angle is not completely included in the field of view .
    OUTPUT:
    
1 . Standard positioning of the endotracheal and enteric tubes . 2 . Bibasilar patchy opacities , likely atelectasis though aspiration or infection can not be excluded . 3 . Scarring within the lung apices with bullous formation in the right apex .