title: I have a little sore on the side of my tongue. It's tender to the touch and has been there almost 3 weeks. Should I see a doctor?
mesh_terms: D006801:Humans; D009062:Mouth Neoplasms / Q000150:complications; D019226:Oral Ulcer / Q000209:etiology*; D014060:Tongue Diseases / Q000209:etiology*