To assess whether vitamin D supplementation, in the follow up period after diagnosis and surgery of a first cutaneous malignant melanoma, has a protective effect on relapse of cutaneous malignant melanoma and whether this protective effect correlates with vitamin D levels in serum and vitamin D receptor (VDR) immunoreactivity in the primary tumor.
To assess whether vitamin D supplementation after surgery of a first cutaneous malignant melanoma protects against relapse of the disease.