 But it kind of increases the enigma here, because like expanded lungs, elevated LDH, maybe a rheumatologist can piece together some kind of story about some esoteric cause of this. So, yeah, go see a rheumatologist. I think in the end the whole thing is going to end up being kind of a wild goose chase. Again, the consequence of, hey, you know, that's why we don't like to do, quote, screening tests. You can have your old body CAT scan, CT, MRI test,