![Primary amelanotic malignant melanoma of the esophagus: a case report]()
Primary amelanotic malignant melanoma of the esophagus: a case reportKoga, Naomichi; Kubo, Nobuhide; Saeki, Hiroshi; Sasaki, Shun; Jogo, Tomoko; Hirose, Kosuke; Nakashima, Yuichiro; Oki, Eiji; Koga, Yutaka; Oda, Yoshinao; Oiwa, Hisao; Oiwa, Toshio; Maehara, Yoshihiko · Surgical Case Reports · 2019