Find out more about the causes and symptoms, and the most commonly used diagnostic tests and treatment types for oral cancer types on this page.
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The following information concerns all cancer types that occur in the oral cavity, not just mouth cancer. Oral cancer may develop on the lips, tongue, bottom of the mouth, cheek lining, or roof of the mouth. Most tumors develop in the outer lining of the mouth; the mucus membrane. These tumors are called squamous cell carcinoma. You may notice a small sore in the mouth that won’t heal, pain that radiates outward from the mouth towards the ears, trouble swallowing that will lead to weight loss and swollen lymph nodes in the neck.