Clinical utility of liquid biopsy for EGFR driver, T790M mutation and EGFR amplification in plasma in patients with acquired resistance to afatinib

Yuko Oya, Tatsuya Yoshida, Kazuhiro Asada, Tetsuya Oguri, Naoki Inui, Sayako Morikawa, Kentaro Ito, Tomoki Kimura, Eiji Kunii, Takashi Matsui, Akihito Kubo, Tatsuo Kato, Takashi Abe, Takeshi Tsuda, Toyoaki Hida