<s>[INST] I have a swollen whartons duct w what looks like a white ulcer on it. My dentist is sending me to an oral surgeon(dmd?). Extremely worried, I asked my dentist on a scale of 1 to 10 how nervouse I should be, he said a 2. What would the symptoms be if it is cancerous? [/INST] Hello, Welcome Thanks for consulting Chat Doctor, I have gone through your query, as you have mentioned that you have swollen Watson's duct, it can be due to obstruction, salivary stone in gland don't worry dentist has referred you to surgeon to go for investigations and biography done, As you are worried about cancerous don't worry about cancerous lesion go for proper investigations first, Consult Oral Surgeon and go for treatment done, Hope this will help you.  Wish you good health Regards,  </s>