Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . A right - sided chest port is in stable position . In the left lower lobe , a new patchy opacity has developed . Additionally , minimal linear bibasilar atelectasis is also demonstrated There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Possible early / focal left lower lobe pneumonia .