1. Kobayashi D, Kodera Y, Fujiwara M, Koike M, Nakayama G, Nakao A. Assessment of quality of life after gastrectomy using EORTC QLQ-C30 and STO22. World J Surg. 2011; 35:357–364.
2. Díaz De Liaño A, Oteiza Martínez F, Ciga MA, Aizcorbe M, Cobo F, Trujillo R. Impact of surgical procedure for gastric cancer on quality of life. Br J Surg. 2003; 90:91–94.
3. Yu W, Lee CH, Chung HY. Quality of life after curative surgery in patients with gastric cancer: comparison between a subtotal gastrectomy and a total gastrectomy. J Korean Gastric Cancer Assoc. 2001; 1:44–49.
4. Adachi Y, Suematsu T, Shiraishi N, Katsuta T, Morimoto A, Kitano S, et al. Quality of life after laparoscopy-assisted Billroth I gastrectomy. Ann Surg. 1999; 229:49–54.
5. Kong H, Kwon OK, Yu W. Changes of quality of life after gastric cancer surgery. J Gastric Cancer. 2012; 12:194–200.
6. Djärv T, Metcalfe C, Avery KN, Lagergren P, Blazeby JM. Prognostic value of changes in health-related quality of life scores during curative treatment for esophagogastric cancer. J Clin Oncol. 2010; 28:1666–1670.
7. Quinten C, Coens C, Mauer M, Comte S, Sprangers MA, Cleeland C, et al. EORTC Clinical Groups. Baseline quality of life as a prognostic indicator of survival: a meta-analysis of individual patient data from EORTC clinical trials. Lancet Oncol. 2009; 10:865–871.
8. Chau I, Norman AR, Cunningham D, Waters JS, Oates J, Ross PJ. Multivariate prognostic factor analysis in locally advanced and metastatic esophago-gastric cancer: pooled analysis from three multicenter, randomized, controlled trials using individual patient data. J Clin Oncol. 2004; 22:2395–2403.
9. Fayers P, Bottomley A. EORTC Quality of Life Group. Quality of Life Unit. European organisation for research and treatment of cancer. Quality of life research within the EORTC-the EORTC QLQ-C30. Eur J Cancer. 2002; 38:Suppl 4. S125–S133.
10. Aaronson NK, Ahmedzai S, Bergman B, Bullinger M, Cull A, Duez NJ, et al. The European Organization for Research and Treatment of Cancer QLQ-C30: a quality-of-life instrument for use in international clinical trials in oncology. J Natl Cancer Inst. 1993; 85:365–376.
11. Vickery CW, Blazeby JM, Conroy T, Arraras J, Sezer O, Koller M, et al. EORTC Quality of Life Group. Development of an EORTC disease-specific quality of life module for use in patients with gastric cancer. Eur J Cancer. 2001; 37:966–971.
12. Blazeby JM, Conroy T, Bottomley A, Vickery C, Arraras J, Sezer O, et al. European Organisation for Research and Treatment of Cancer Gastrointestinal and Quality of Life Groups. Clinical and psychometric validation of a questionnaire module, the EORTC QLQ-STO 22, to assess quality of life in patients with gastric cancer. Eur J Cancer. 2004; 40:2260–2268.
13. Washington K. 7th edition of the AJCC cancer staging manual: stomach. Ann Surg Oncol. 2010; 17:3077–3079.
14. Bize R, Johnson JA, Plotnikoff RC. Physical activity level and health-related quality of life in the general adult population: a systematic review. Prev Med. 2007; 45:401–415.
15. Kempen GI, Brilman EI, Ranchor AV, Ormel J. Morbidity and quality of life and the moderating effects of level of education in the elderly. Soc Sci Med. 1999; 49:143–149.
16. Ravasco P, Monteiro-Grillo I, Vidal PM, Camilo ME. Cancer: disease and nutrition are key determinants of patients' quality of life. Support Care Cancer. 2004; 12:246–252.
17. Marín Caro MM, Laviano A, Pichard C. Impact of nutrition on quality of life during cancer. Curr Opin Clin Nutr Metab Care. 2007; 10:480–487.