Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube and enteric tube remain in standard position with tip of enteric tube off the film . Cardiomediastinal and hilar contours are normal . The left lower lobe opacity remains stable compared to the radiographs from ___ and likely represents aspiration or pneumonia . There is no pleural effusion or pneumothorax . No new focal consolidations are present . Pulmonary vasculature is within normal limits .
    OUTPUT:
    
Persistent stable left lobe atelectasis or pneumonia , either likely due to aspiration , better characterizeb by chest CT .