Do you know website of CT segmented lungs images by radiologists as a standard data for evaluating a lungs segmentation method is applied in an automatic system?

Dear friends, I have implemented an automatic lungs segmentation method on a standard data but I need to evaluate it by implementing my method on the CT lung images are already segmented by radiologists. That means I need the website of original images before and after their segmenting by radiologists.So, could you send the link for such these dataset,if you please.