Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate hyperexpanded lungs . Small right - sided pleural effusion with adjacent atelectasis is unchanged . Scattered hazy opacification of the left lung is stable , and likely reflects aspiration or pneumonia . Cardiomediastinal and hilar contours are unchanged . No pneumothorax .
    OUTPUT:
    
1 . Stable small right - sided pleural effusion with adjacent atelectasis . 2 . Stable hazy opacification of left base likely represents aspiration or pneumonia .