Each year more than 30,000 people are diagnosed with oral cancer. This type of tumor can occur on the tongue, lips, gums, cheek, palate or floor of the mouth. When caught early, oral cancer is highly treatable, so it’s important to know what to look for.

Ann Gillenwater, M.D., director of MD Anderson’s Oral Cancer Prevention Clinic, recently answered a few questions to help patients and families facing oral cancer, as well as those...