Medical Student

19 yo male patient medically free, come with painless tongue fissure in the mid line and like a villous arising from it_as you can see in the picture_ which is noted 3 years ago, he is heavy smoker 5 years duration. He ask a doctor and till him its a geographic tongue and give him vitamins and supplements. As a medical student i advice him to take a biopsy, is that right? And what is the possible ddx plz?