Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Left lung base opacity likely reflects atelectasis , which could be secondary to aspiration . Right lung is clear . Endotracheal tube is in appropriate position . There is no pneumothorax . Cardiomediastinal and hilar contours are normal . Markedly distended stomach is partially imaged .
    OUTPUT:
    
1 . Left base atelectasis , which could be secondary to aspiration . 2 . Endotracheal tube in appropriate position . 3 . Markedly distended stomach .