Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is in appropriate position with the tip 2 cm above the carina . An enteric feeding tube is seen coursing below the diaphragm and out of view on this image . There is opacification of the left lung base obscuring the left costophrenic angle . The right lung base is clear . No significant pneumothorax is seen on this supine view . The cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
1 . ET tube 2 cm above the carina . 2 . Left basilar opacity potentially atelectasis , infection or aspiration . A small left pleural effusion is not excluded .