1. Bray F, Ferlay J, Soerjomataram I, Siegel RL, Torre LA, Jemal A. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2018; 68:394–424.

2. Wang A, Li Z, Wang Q, Bai Y, Ji X, Fu T, et al. Diagnostic value of negative enrichment and immune fluorescence in situ hybridization for intraperitoneal free cancer cells of gastric cancer. Chin J Cancer Res. 2019; 31:945–54.

3. Sun W, Deng J, Zhang N, Liu H, Liu J, Gu P, et al. Prognostic impact of D2-plus lymphadenectomy and optimal extent of lymphadenectomy in advanced gastric antral carcinoma: Propensity score matching analysis. Chin J Cancer Res. 2020; 32:51–61.

4. Haruta S, Shinohara H, Hosogi H, Ohkura Y, Kobayashi N, Mizuno A, et al. Proximal gastrectomy with exclusion of no. 3b lesser curvature lymph node dissection could be indicated for patients with advanced upper-third gastric cancer. Gastric Cancer. 2017; 20:528–35.

5. Japanese Gastric Cancer Association. Japanese gastric cancer treatment guidelines 2018 (5th edition). Gastric Cancer. 2021; 24:1–21.
6. Hiki N, Nunobe S, Kubota T, Jiang X. Function-preserving gastrectomy for early gastric cancer. Ann Surg Oncol. 2013; 20:2683–92.

7. Takayama T, Matsumoto S, Wakatsuki K, Tanaka T, Migita K, Ito M, et al. Novel laparoscopic procedure for treating proximal early gastric cancer: laparoscopy-assisted pylorus-preserving nearly total gastrectomy. Surg Today. 2014; 44:2332–8.
8. Yoo CH, Sohn BH, Han WK, Pae WK. Long-term results of proximal and total gastrectomy for adenocarcinoma of the upper third of the stomach. Cancer Res Treat. 2004; 36:50–5.

9. Kumagai K, Shimizu K, Yokoyama N, Aida S, Arima S, Aikou T, et al. Questionnaire survey regarding the current status and controversial issues concerning reconstruction after gastrectomy in Japan. Surg Today. 2012; 42:411–8.

10. Ichikawa D, Ueshima Y, Shirono K, Kan K, Shioaki Y, Lee CJ, et al. Esophagogastrostomy reconstruction after limited proximal gastrectomy. Hepatogastroenterology. 2001; 48:1797–801.
11. Nakamura M, Nakamori M, Ojima T, Katsuda M, Iida T, Hayata K, et al. Reconstruction after proximal gastrectomy for early gastric cancer in the upper third of the stomach: an analysis of our 13-year experience. Surgery. 2014; 156:57–63.

12. Wang S, Lin S, Wang H, Yang J, Yu P, Zhao Q, et al. Reconstruction methods after radical proximal gastrectomy: a systematic review. Medicine (Baltimore). 2018; 97:e0121.
13. Ahn SH, Jung DH, Son SY, Lee CM, Park DJ, Kim HH. Laparoscopic double-tract proximal gastrectomy for proximal early gastric cancer. Gastric Cancer. 2014; 17:562–70.

14. Japanese Gastric Cancer Association. Japanese classification of gastric carcinoma: 3rd English edition. Gastric Cancer. 2011; 14:101–12.
15. Ji X, Bu ZD, Yan Y, Li ZY, Wu AW, Zhang LH, et al. The 8th edition of the American Joint Committee on Cancer tumornode-metastasis staging system for gastric cancer is superior to the 7th edition: results from a Chinese mono-institutional study of 1663 patients. Gastric Cancer. 2018; 21:643–52.

16. Japanese Gastric Cancer Association. Japanese gastric cancer treatment guidelines 2014 (ver. 4). Gastric Cancer. 2017; 20:1–19.
17. Li Z, Bai B, Ji G, Li J, Zhao Q. Relationship between ClavienDindo classification and long-term survival outcomes after curative resection for gastric cancer: a propensity scorematched analysis. Int J Surg. 2018; 60:67–73.

18. Sugiura T, Iwakiri K, Kotoyori M, Kobayashi M. Relationship between severity of reflux esophagitis according to the Los Angeles classification and esophageal motility. J Gastroenterol. 2001; 36:226–30.

19. Jung DH, Lee Y, Kim DW, Park YS, Ahn SH, Park DJ, et al. Laparoscopic proximal gastrectomy with double tract reconstruction is superior to laparoscopic total gastrectomy for proximal early gastric cancer. Surg Endosc. 2017; 31:3961–9.

20. Wang L, Xia Y, Jiang T, Li F, Wang W, Zhang D, et al. Shortterm surgical outcomes of laparoscopic proximal gastrectomy with double-tract reconstruction versus laparoscopic total gastrectomy for adenocarcinoma of esophagogastric junction: a matched-cohort study. J Surg Res. 2020; 246:292–9.

21. Nakamura M, Yamaue H. Reconstruction after proximal gastrectomy for gastric cancer in the upper third of the stomach: a review of the literature published from 2000 to 2014. Surg Today. 2016; 46:517–27.

22. Fayers P, Aaronson N, Bjordal K, Groenvold M, Curran D, Bottomley A. The EORTC QLQ-C30 Scoring Manual. 3rd ed. Brussels: European Organisation for Research and Treatment of Cancer;2001.
23. Hongo M, Kinoshita Y, Miwa H, Ashida K. The demographic characteristics and health-related quality of life in a large cohort of reflux esophagitis patients in Japan with reference to the effect of lansoprazole: the REQUEST study. J Gastroenterol. 2008; 43:920–7.

24. Javadi S, Shafikhani AA. Anxiety and depression in patients with gastroesophageal reflux disorder. Electron Physician. 2017; 9:5107–12.

25. Yoshikawa H, Furuta K, Ueno M, Egawa M, Yoshino A, Kondo S, et al. Oral symptoms including dental erosion in gastroesophageal reflux disease are associated with decreased salivary flow volume and swallowing function. J Gastroenterol. 2012; 47:412–20.

26. Shibata T, Nakamura M, Omori T, Tahara T, Ichikawa Y, Okubo M, et al. Association between individual response to food taste and gastroesophageal symptoms. J Dig Dis. 2015; 16:337–41.

27. Kauppila JH, Ringborg C, Johar A, Lagergren J, Lagergren P. Health-related quality of life after gastrectomy, esophagectomy, and combined esophagogastrectomy for gastroesophageal junction adenocarcinoma. Gastric Cancer. 2018; 21:533–41.

28. Kim SM, Cho J, Kang D, Oh SJ, Kim AR, Sohn TS, et al. A randomized controlled trial of vagus nerve-preserving distal gastrectomy versus conventional distal gastrectomy for postoperative quality of life in early stage gastric cancer patients. Ann Surg. 2016; 263:1079–84.

29. Inokuchi M, Sugita H, Otsuki S, Sato Y, Nakagawa M, Kojima K. Long-term effectiveness of preserved celiac branch of vagal nerve after Roux-en-Y reconstruction in laparoscopy-assisted distal gastrectomy. Dig Surg. 2014; 31:341–6.
