hi Doc I have 2 bumps on right side of my tongue for more than 6 weeks. first two week i had severe pain that went up to my right ear but after 2 weeks there is was mo more pain but still bumps are there. I consulted with dentist and he diagnosed it as an ulcer. I am worried as it could be cancer. I want to ask that is it possible in case of oral cancer that first it hurts with pain for some weeks and than becomes painless? the size is small and not increasing.