The evaluation of mouth cancer begins with a history and physical exam, including an oral examination.

Physical findings in someone with mouth cancer may include:

• White coloration of the lining to the mouth
• Mouth or tongue lesions
• Mouth ulcers
• Swollen glands in the neck

Tests that may be used to evaluate mouth cancer may include:

• Biopsy of the mouth lesion
• CT scan of the neck
• MRI scan of the neck
• Chest x-ray