Hi, Matt,
My name is Brian. I was diagnosed with oral cavity cancer about 2 months ago. Mine started as what seemed to be a 'canker sore' back on the left floor of my mouth under my tongue. I started small. I treated it with some over the counter remedies, these only seemed to have fed it. It grew to about the size of a quarter before I was concerned enough to have it checked out. Mine was fairly painful and not 'tough' at all. My ENT doctor told me it had to go, then we'd do a biopsy on it to see what it was. Well, the biopsy revealed it was malignant, also that we failed to get it all with surgery. Today I finished my 24th radiation treatment with 9 to go. The future looks bright, the inside (and outside) of my mouth not so bright. I'm in a fair amount of pain, lost 13 lbs, and don't care to eat much. Do yourself a favor, don't wait anymore. Get your young self in and see a Dr., NOW!
Good Luck,
Brian