This is a case that I think can be applied generally, so I don't mind talking about it. You say, “Well, they know if it's attributable to service, so why don't they just tell them?” However, he's saying that in his twenties he took on a condition that has now created problems for him. He has a signed doctor's note saying that, but his application is being denied.
If you had something like that on your desk, how would you try to deal with it?