Not news, really. Here are a zillion related posts!!!
2014: Vitamin D and Melanoma
2016: Vit D and melanoma - Part 2
Jan 2017: Vitamin D - low levels associated with a worse prognosis in melanoma...again...
June 2017: Vitamin D and melanoma - folks with higher levesl do better - again!!!
September 2017: Vitamin D and melanoma
Circulating 25-hydroxyvitamin D up to 3 decades prior to diagnosis in relation to overall and organ-specific cancer survival. Weinstein, Mondul, Yu, et al. Eur J Epidemiol. 2018 Aug 2.