Case of nodal nevus with melanocytic cell aggregates in the lymphatic hilum: A potential diagnostic pitfall that requires differentiation from metastatic melanoma of the lymph node. Issue 6 (22nd March 2020) - Ogawa, Kohei; Kobayashi, Nobuhiko; Miyagawa, Fumi; Nakai, Tokiko; Fukumoto, Takaya; Mitsui, Yasuhiro; Arai, Eiichi; Asada, Hideo