A newly emerged osteosarcomatous dedifferentiation of liposarcoma in lung metastasis ‐ a potential diagnostic pitfall. Issue 1 (23rd November 2016) - Li, Jian; Motoi, Noriko; Kanda, Hiroaki; Sugiura, Yoshiya; Nagano, Hiroko; Yonese, Junji; Okumura, Sakae; Matsumoto, Seiichi; Machinami, Rikuo; Ishikawa, Yuichi