Lung adenocarcinoma and squamous cell carcinoma difficult for immunohistochemical diagnosis can be distinguished by lipid profile oleh Takashi Yamashita, Yusuke Takanashi, Asuka Uebayashi, Mikako Oka, Kiyomichi Mizuno, Akikazu Kawase, Soho Oyama, Takuya Kitamoto, Minako Kondo, Shiho Omori, Hong Tao, Yutaka Takahashi, Takumi Sakamoto, Tomoaki Kahyo, Haruhiko Sugimura, Mitsutoshi Setou, Norihiko Shiiya, Kazuhito Funai