Dermal melanoma arising in a congenital large plaque‐type blue nevus. (16th June 2017) - Furuya, Aiko; Namiki, Takeshi; Takayama, Kaoru; Amano, Maki; Ueno, Makiko; Nojima, Kohei; Hanafusa, Takaaki; Miura, Keiko; Yokozeki, Hiroo