Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable radiograph of the chest was acquired . An endotracheal tube is appropriately positioned , terminating 2 .5 cm above the level of the carina . An NG tube courses below the level of the diaphragm and out of the field of view inferiorly . Lung volumes are low . There is no focal consolidation . The heart size is borderline enlarged , not significantly changed . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
No acute cardiac or pulmonary process .