Nobunaga did call a physician though. The angle I have in mind is that history would record that Nobunaga himself got shot. I mean, it'd be really weird to call a physician – a famous one too – for a cook, right? So nothing's changed.
Oh, and good luck in Europe, Matsuda. If it's France, you'd definitely have a great time with the French Wars of Religion. What would this story be? Le Maître d'Henry?