| 1. | Torre LA, Siegel RL, Ward EM, et al. Global cancer incidence and mortality rates and trends-an update. Cancer Epidemiol Biomarkers Prev, 2016, 25(1): 16-27. | 
				                                                        
				                                                            
				                                                                | 2. | Ajani JA, Lee J, Sano T, et al. Gastric adenocarcinoma. Nat Rev Dis Primers, 2017, 3: 17036. | 
				                                                        
				                                                            
				                                                                | 3. | 李小寶, 梅樂園, 車向明. 影響胃癌預后因素的研究進展. 中國普通外科雜志, 2013, 22(4): 494-497. | 
				                                                        
				                                                            
				                                                                | 4. | 梁寒. 影響胃癌預后因素研究進展. 中國實用外科雜志, 2011, 31(8): 726-729. | 
				                                                        
				                                                            
				                                                                | 5. | Balachandran VP, Gonen M, Smith JJ, et al. Nomograms in oncology: more than meets the eye. Lancet Oncol, 2015, 16(4): e173-e180. | 
				                                                        
				                                                            
				                                                                | 6. | Liang W, Zhang L, Jiang G, et al. Development and validation of a nomogram for predicting survival in patients with resected non-small-cell lung cancer. J Clin Oncol, 2015, 33(8): 861-869. | 
				                                                        
				                                                            
				                                                                | 7. | Wang Y, Li J, Xia Y, et al. Prognostic nomogram for intrahepatic cholangiocarcinoma after partial hepatectomy. J Clin Oncol, 2013, 31(9): 1188-1195. | 
				                                                        
				                                                            
				                                                                | 8. | Wang ZX, Qiu MZ, Jiang YM, et al. Comparison of prognostic nomograms based on different nodal staging systems in patients with resected gastric cancer. J Cancer, 2017, 8(6): 950-958. | 
				                                                        
				                                                            
				                                                                | 9. | Cronin KA, Ries LA, Edwards BK. The Surveillance, Epidemiology, and End Results (SEER) program of the national cancer institute. Cancer, 2014, 120(Suppl 23): 3755-3757. | 
				                                                        
				                                                            
				                                                                | 10. | Harrell FE Jr, Lee KL, Mark DB. Multivariable prognostic models: issues in developing models, evaluating assumptions and adequacy, and measuring and reducing errors. Stat Med, 1996, 15(4): 361-387. | 
				                                                        
				                                                            
				                                                                | 11. | Huitzil-Melendez FD, Capanu M, O’Reilly EM, et al. Advanced hepatocellular carcinoma: which staging systems best predict prognosis? J Clin Oncol, 2010, 28(17): 2889-2895. | 
				                                                        
				                                                            
				                                                                | 12. | Sternberg CN. Are nomograms better than currently available stage groupings for bladder cancer? J Clin Oncol, 2006, 24(24): 3819-3820. | 
				                                                        
				                                                            
				                                                                | 13. | Zhang Y, Zhang J, Zeng H, et al. Nomograms for predicting the overall and cancer-specific survival of patients with classical Hodgkin lymphoma: a SEER-based study. Oncotarget, 2017, 8(54): 92978-92988. | 
				                                                        
				                                                            
				                                                                | 14. | Liu J, Su M, Hong S, et al. Nomogram predicts survival benefit from preoperative radiotherapy for non-metastatic breast cancer: a SEER-based study. Oncotarget, 2017, 8(30): 49861-49868. | 
				                                                        
				                                                            
				                                                                | 15. | Zhang ZY, Luo QF, Yin XW, et al. Nomograms to predict survival after colorectal cancer resection without preoperative therapy. BMC Cancer, 2016, 16(1): 658. | 
				                                                        
				                                                            
				                                                                | 16. | Mohanty S, Bilimoria KY. Comparing national cancer registries: The National Cancer Data Base (NCDB) and the Surveillance, Epidemiology, and End Results (SEER) program. J Surg Oncol, 2014, 109(7): 629-630. | 
				                                                        
				                                                            
				                                                                | 17. | 楊維良, 張新晨, 張東偉, 等. 35歲以下胃癌患者380例臨床分析. 中華胃腸外科雜志, 2004, 7(5): 357-359. | 
				                                                        
				                                                            
				                                                                | 18. | Llanos O, Butte JM, Crovari F, et al. Survival of young patients after gastrectomy for gastric cancer. World J Surg, 2006, 30(1): 17-20. | 
				                                                        
				                                                            
				                                                                | 19. | Kim DY, Joo JK, Ryu SY, et al. Clinicopathologic characteristics of gastric carcinoma in elderly patients: a comparison with young patients. World J Gastroenterol, 2005, 11(1): 22-26. | 
				                                                        
				                                                            
				                                                                | 20. | Wang A, Squires MH 3rd, Melis M, et al. Stage-specific prognostic effect of race in patients with resectable gastric adenocarcinoma: an 8-institution study of the US gastric cancer collaborative. J Am Coll Surg, 2016, 222(4): 633-643. | 
				                                                        
				                                                            
				                                                                | 21. | Sun F, Sun H, Mo X, et al. Increased survival rates in gastric cancer, with a narrowing gender gap and widening socioeconomic status gap: a period analysis from 1984 to 2013. J Gastroenterol Hepatol, 2018, 33(4): 837-846. | 
				                                                        
				                                                            
				                                                                | 22. | Lauren P. The two histologic main types of gastric carcinoma: diffuse and so-called intestinal type carcinoma, an attempt at a histo-clinical classification. Acta Pathol Microbiol Scand, 1965, 64: 31-49. | 
				                                                        
				                                                            
				                                                                | 23. | Chen YC, Fang WL, Wang RF, et al. Clinicopathological variation of lauren classification in gastric cancer. Pathol Oncol Res, 2016, 22(1): 197-202. | 
				                                                        
				                                                            
				                                                                | 24. | Papachristou DN, Fortner JG. Adenocarcinoma of the gastric cardia. The choice of gastrectomy. Ann Surg, 1980, 192(1): 58-64. | 
				                                                        
				                                                            
				                                                                | 25. | Sugoor P, Shah S, Dusane R, et al. Proximal gastrectomy versus total gastrectomy for proximal third gastric cancer: total gastrectomy is not always necessary. Langenbecks Arch Surg, 2016, 401(5): 687-697. | 
				                                                        
				                                                            
				                                                                | 26. | Li Z, Bai B, Xie F, et al. Distal versus total gastrectomy for middle and lower-third gastric cancer: a systematic review and meta-analysis. Int J Surg, 2018, 53: 163-170. | 
				                                                        
				                                                            
				                                                                | 27. | Yamamoto M, Shimokawa M, Kawano H, et al. Benefits of laparoscopic surgery compared to open standard surgery for gastric carcinoma in elderly patients: propensity score-matching analysis. Surg Endosc, 2018, [Epub ahead of print]. | 
				                                                        
				                                                            
				                                                                | 28. | Lee JH, Park B, Joo J, et al. Body mass index and mortality in patients with gastric cancer: a large cohort study. Gastric Cancer, 2018, [Epub ahead of print]. |