Identification of biological properties of intralymphatic tumor related to the development of lymph node metastasis in lung adenocarcinoma. oleh Keisuke Kirita, Genichiro Ishii, Rie Matsuwaki, Yuki Matsumura, Shigeki Umemura, Shingo Matsumoto, Kiyotaka Yoh, Seiji Niho, Koichi Goto, Hironobu Ohmatsu, Yuichiro Ohe, Kanji Nagai, Atsushi Ochiai