Canker sores and oral cancer lesions may seem similar but there are ways to tell the difference. A lesion that's red, typically flat, and painful early on is usually a canker sore (aphthous ulcer).

Bumps on your tongue may be lie bumps, canker sores, cold sores, or in rare cases, oral cancer. Lie bumps are common and happen when the small bumps on your tongue become inflamed. Oral cancer is ...

Canker sores Canker sores are small yellow or white ... but the condition can be serious as some patches may show early signs of cancer. Seek medical attention if you notice symptoms of ...