I got a call from my ENT this evening to tell me good news. What he sent to pathology from the inside of my cheek was just granulation tissue. Suddenly I am literally breathing easier (though I wasn't consciously aware I was NOT breathing easily before the phone call). Work has kept me nice and busy so most of my anxiety about this was pretty much supressed, except when I woke up in the middle of the night worrying, and until I heard my docs voice when I answered the phone then it hit me hard for just a second before he got out that it was good news.
My throat-stretching surgery has been moved to Friday. I will definitely post something before then. But tonight I need to have some soup, do a variety of small work-related tasks and get a good night's sleep. Thank you all for your good wishes about this.