Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No biliary stent is visualized . Midline surgical ___ are seen over the upper abdomen . Partially visualized is an abdominal drain which crosses midline and courses inferiorly out of view . Lung volumes are low with bibasilar atelectasis . A lower lobe opacity projects over the spine and is difficult to determine whether it originates in the right or left lower lobe on frontal view . A small right pleural effusion is stable from ___ .
    OUTPUT:
    
1 . No biliary stent visualized . Further evaluation with abdominal radiograph could help localize the stent . 2 . Lower lobe opacity projecting over the spine , concerning for pneumonia . 3 . Small right pleural effusion , stable from ___ .