Xeroderma pigmentosum.
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis; D002470:Cell Survival / Q000528:radiation effects; D002869:Chromosome Aberrations / Q000235:genetics; D025063:Chromosome Disorders; D004260:DNA Repair / Q000528:radiation effects; D006801:Humans; D008545:Melanoma / Q000175:diagnosis; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis; D009381:Neoplasms, Radiation-Induced / Q000175:diagnosis; D010375:Pedigree; D011296:Prenatal Diagnosis; D012878:Skin Neoplasms / Q000175:diagnosis; D014466:Ultraviolet Rays / Q000009:adverse effects; D014983:Xeroderma Pigmentosum / Q000175:diagnosis* / Q000235:genetics