p s is there any chance that you could help to expand it a bit it would be nice if right at the start it provided a more plain statement of what exactly the thing is before getting into the more technical aspects currently it's a bit hard for non specialists to understand i've been looking at the articles here and here perhaps more could be said about the medical side of things re tumors if the article could be made just a little longer it could qualify for a did you know entry and would appear on the main page currently it is about kb of text it would need to be more than and the entries have to be articles created within the past days please let me know on my talk page if interested thanks