Clinical Characteristics and Pharmacokinetics Change of Long-Term Responders to Antiprogrammed Cell Death Protein 1 Inhibitor Among Patients With Advanced NSCLC oleh Hitomi Jo, MD, PhD, Tatsuya Yoshida, MD, PhD, Shigehiro Yagishita, MD, PhD, Mayu Ohuchi, PhD, Yuji Matsumoto, MD, PhD, Yuki Shinno, MD, PhD, Yusuke Okuma, MD, PhD, Yasushi Goto, MD, PhD, Hidehito Horinouchi, MD, PhD, Noboru Yamamoto, MD, PhD, Kazuhisa Takahashi, MD, PhD, Noriko Motoi, MD, PhD, Akinobu Hamada, PhD, Yuichiro Ohe, MD, PhD