Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with bibasilar opacities are similar to prior examination in worse than in ___ . Mediastinal contours , hila , and cardiac borders are normal . No pleural effusion or pulmonary edema . The aorta is tortuous .
    OUTPUT:
    
Bibasilar opacities are unchanged or worse suggesting recurrent aspiration , pneumonia , or less likely atelectasis .