These links are provided for your information. If you suspect that you may have skin cancer, you should schedule an appointment with a qualified healthcare provider as soon as possible.
For a basic overview of skin cancer, check The Skin Cancer Foundation page.
The National Cancer Institute (part of the National Institute of Health) has information and statistics.
There have also been many cases of different types of cancers occurring along specific energy meridians that correlate with teeth that have had root canals done on them. If you notice that you seem to be getting skin cancers in one area more than another you can find some information on this here https://naturaldentistry.us/holistic-dentistry/meridian-tooth-chart-from-encinitas-dentist/