[header] How to inspect the mouth for cancer [title] Check your face to look for growths, sores, moles, or color changes. [step] First, check your face thoroughly in the mirror, under good lighting, to look for any changes that could be indicators of mouth cancer. [substeps] Look specifically for any skin color changes, sores, moles, or any new growths on the face. 
Look for any lumps, swellings, or bumps that are present on one side of your face and absent on the other side. Normally your face should be roughly symmetrical, with no major differences between each side.