Yup you have a case of CANCERNOIA Take a deep breath. It is ok to see the doc just to be sure. It sounds to me like a canker sore after he bit his cheek.

Take care

Mark, 21 Year survivor, SCC right tonsil, 3 nodes positive, one with extra-capsular spread. I never asked what stage (would have scared me anyway) Right side tonsillectomy, radical neck dissection right side, maximum radiation to both sides, no chemo, no PEG, age 40 when diagnosed.