I Googled for you because I was not afraid of throat cancer, but now I am! (jk, not really) But I did look up the symptoms and you don't have most of them. I won't tell you what they are because then you'll probably start thinking about them and worrying that you maybe do have them. But they are peculiar enough that if you had them, you would have mentioned them, so I'm not going to worry you about them except to say that you don't have them.
Certainly pain is one symptom of it, but it is also a symptom of so many other things that it's not worth worrying about it just from that one thing. You ENT will check it out in a couple of days and I'm sure it will be something simple like tonsillitis or a sinus infection. Until then I hope I have reassured you somewhat.