A risk factor for melanoma is something that increases your chance of getting this cancer. Having one or more of these risk factors can make it more likely that you will get melanoma. But it doesn't mean that you will definitely get it. And many people who get melanoma don't have any of these risk factors.
It is possible that the main title of the report Melanoma, Malignant is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.