論文（英文）
KK J Thoracic Dis 2018
Karasaki T, Qiang G, Anraku M, Sun Y, Shinozaki-Ushiku A, Sato E, Kashiwabara K, Nagayama K, Nitadori J, Sato M, Murakawa T, Kakimi K, Fukayama M, Nakajima. High CCR4 expression in the tumor microenvironment is a poor prognostic indicator in lung adenocarcinoma. Journal of Thoracic Disease 2018; 10(8): 4741–4750.