PVT1 and melanoma: In another cohort representing melanomagenesis, including 2 normal skins, 2 benign nevi, 2 atypical nevi, 2 melanoma in suit, and 8 melanoma (GSE4587) [19], PVT1 is gradually increased from skins and nevi, through melanoma in suit, to melanoma (Figure 1(b)).