Dr. Rohit Valecha (Dentistry) needs a second opinion on this medical case.
A 79 year old male with a 2 year history of a slowly enlarging lesion on the right lateral border of the tongue. The lesion is well demarcated with rolled border. It is mostly pink and has a lobular/papillary appearance. There is a smooth white patch to its posterior. The lesion is described to be 1.3 x 1.8 cm in size and is sore but not painful. PMH for cigarette smoking for approximately 30 years; however, the patient quit smoking 42 years ago. Can you diagnose what it is?