Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is in satisfactory position , approximately 5 .3 cm from the carina . A nasogastric tube courses below the diaphragm with the tip out of field of view . Since the prior exam , the lung volumes are lower . Mild pulmonary edema has worsened . There is persistent opacification of the left mid and lower lung zones , likely pneumonia or aspiration . There is no pleural effusions or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . Unchanged left mid and lower lung zone opacity , likely due to pneumonia or aspiration . 2 . Slight worsening of mild pulmonary edema . 3 . Satisfactory position of the endotracheal tube .