Sun raises skin cancer risks.
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D002280:Basal Cell Carcinoma / Q000209:etiology; D002294:Carcinoma, Squamous Cell / Q000209:etiology; D006801:Humans; D008545:Melanoma / Q000209:etiology; D012307:Risk Factors; D012878:Skin Neoplasms / Q000209:etiology* / Q000601:surgery; D013472:Sunlight / Q000009:adverse effects*