Early onset of skin and oral cavity neoplasms in xeroderma pigmentosum.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D009062:Mouth Neoplasms / Q000453:epidemiology*; D012878:Skin Neoplasms / Q000453:epidemiology*; D014481:United States; D014983:Xeroderma Pigmentosum / Q000453:epidemiology*