Thoracoscopic and endoscopic cooperative surgery (TECS): a novel less invasive technique for resection of gastric tube cancer after esophagectomy - Tsujii, Yoshiki; Yamasaki, Makoto; Hayashi, Yoshito; Tanaka, Koji; Makino, Tomoki; Doki, Yuichiro; Takehara, Tetsuo (Endoscopy, 2019)