Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip is in standard position , terminating approximately 3 .5 cm from the carina . An enteric tube tip is within the stomach . Heart size is normal . Mediastinal and hilar contours are within normal limits . There is no pulmonary edema . Patchy opacities are noted within the lung bases , which could reflect areas of aspiration or infection . No pleural effusion or pneumothorax is visualized .
    OUTPUT:
    
1 . Standard position of the endotracheal and enteric tubes . 2 . Patchy opacities in the lung bases may reflect areas of aspiration or infection .