He doesn't have cancer. They did not cut open his skull and biopsy a tumor then glue his skull back together, then cover it all with one band aid, no scarring and no inflammation.
It's all BS.
It doesn't sound like Q to me.
Q drops crumbs and we research, he confirms if answers are good.
Q doesn't drop cut and paste.
Intelligence services are orgs with enough computing brute force to break Captcha, they may have pre-existing back doors in code.
I doubt this is Q.