Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is appropriately positioned , ending 2 .8 cm above the level of the carina . An enteric catheter courses below the level of the diaphragm and out of the field of view inferiorly . There is minimal left lower lung linear atelectasis . The lungs are otherwise clear . The heart size is top normal , exaggerated by position and technique . The mediastinal contours are normal . There are no definite pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
No acute cardiac or pulmonary process .