References
- 1. Sitarz R, Skierucha M, Mielko J, et al. Gastric cancer: epidemiology, prevention, classification, and treatment. Cancer Manag Res. 2018;10:239-248.10.2147/CMAR.S149619580870929445300
- 2. Stock M, Otto F. Gene deregulation in gastric cancer. Gene. 2005;360:1-19.10.1016/j.gene.2005.06.02616154715
- 3. Parkin DM, Bray F, Ferlay J, Pisani P. Global cancer statistics, 2002. CA Cancer J Clin. 2005;55:74-108.10.3322/canjclin.55.2.7415761078
- 4. Valentini V, Jansen EP, van Grieken NC, et al. Survival after radiotherapy in gastric cancer, systematic review and meta-analysis. Radiother Oncol. 2009;92:176-183.10.1016/j.radonc.2009.06.01419586672
- 5. Dicken BJ, Bigam DL, Cass C, Mackey JR, Joy AA, Hamilton SM. Gastric adenocarcinoma: review and considerations for future directions. Ann Surg. 2005;241:27-39.10.1097/01.sla.0000149300.28588.23135684315621988
- 6. Okusa T, Nakane Y, Boku T, et al. Quantitative analysis of nodal involvement with respect to survival rate after curative gastrectomy for carcinoma. Surg Gynecol Obstet. 1990;170:488-494.
- 7. Hou Y, Wang X, Chen J. Prognostic significance of metastatic lymph node ratio: the lymph node ratio could be a prognostic indicator for patients with gastric cancer. World J Surg Oncol. 2018;16:198.10.1186/s12957-018-1504-5617272730286762
- 8. Marchet A, Mocellin S, Ambrosi A, et al.The ratio between metastatic and examined lymph nodes (N ratio) is an independent prognostic factor in gastric cancer regardless of the type of lymphadenectomy: results from an Italian multicentric study in 1853 patients. Ann Surg. 2007;245:543-552.10.1097/01.sla.0000250423.43436.e1187703117414602
- 9. Sobin LHGM, Wittekind CH. 7th Edition International Union Against Cancer (UICC) TNM classification of malignant tumors. USA: Wiley-Lwass; 2010.
- 10. Chen S, Zhao BW, Li YF, et al. The prognostic value of harvested lymph nodes and the metastatic lymph node ratio for gastric cancer patients: results of a study of 1,101 patients. PLoS One. 2012;7:e49424.10.1371/journal.pone.0049424349953723166665
- 11. Edge SB, Byrd DR, Compton CC, Fritz AG, Greene FL, Trotti A. 7th Edition AJCC Cancer staging manual. New York: Springer; 2010.
- 12. Pedrazzani C, Sivins A, Ancans G, et al. Ratio between metastatic and examined lymph nodes (N ratio) may have low clinical utility in gastric cancer patients treated by limited lymphadenectomy: results from a single-center experience of 526 patients. World J Surg. 2010;34:85-91.10.1007/s00268-009-0288-820020295
- 13. Kim Y, Squires MH, Poultsides GA, et al. Impact of lymph node ratio in selecting patients with resected gastric cancer for adjuvant therapy. Surgery. 2017;162:285-294.10.1016/j.surg.2017.03.023603690328578142
- 14. Saito H, Osaki T, Murakami D, et al. Effect of age on prognosis in patients with gastric cancer. ANZ Journal of Surgery. 2006;76:458-461.10.1111/j.1445-2197.2006.03756.x16768768
- 15. Yang D, Hendifar A, Lenz C, et al. Survival of metastatic gastric cancer: Significance of age, sex and race/ethnicity. J Gastrointest Oncol. 2011;2:77-84.
- 16. Zu H, Wang H, Li C, et al. Clinicopathologic characteristics and prognostic value of various histological types in advanced gastric cancer. Int J Clin Exp Pathol. 2014;7:5692-5700.
- 17. Japanese Gastric Cancer Association. Japanese Classification of Gastric Carcinoma - 2nd English Edition. Japanese Cancer. 1998;1:10-24.10.1007/PL00011681
- 18. Fakuda N, Sugiyama Y, Midorikawa A, Mushiake H. Prognostic significance of the metastatic lymph node ratio in gastric cancer patients. World J Surg. 2009;33:2378-2382.10.1007/s00268-009-0205-119760318
- 19. Bouvier AM, Haas O, Piard F, Roignot P, Bonithon-Kopp C, Faivre J. How many nodes must be examined to accurately stage gastric carcinomas? Results from a population based study. Cancer. 2002;94:2862-2866.10.1002/cncr.1055012115373
- 20. Smith DD, Schwarz RR, Schwarz RE. Impact of total lymph node count on staging and survival after gastrectomy for gastric cancer: data from a large US-population database. J Clin Oncol. 2005;23:7114-7124.10.1200/JCO.2005.14.62116192595
- 21. Nitti D, Marchet A, Olivieri M, et al. Ratio between metastatic and examined lymph nodes is an independent prognostic factor after D2 resection for gastric cancer: analysis of a large European monoinstitutional experience. Ann Surg Oncol. 2003;10:1077-1085.10.1245/ASO.2003.03.52014597447
- 22. Aurello P, Catracchia V, Petrucciani N, et al. What is the role of nodal ratio as a prognostic factor for gastric cancer nowadays? Comparison with new TNM staging system and analysis according to the number of resected nodes. Am Surg. 2013;79:483-491.10.1177/000313481307900523
- 23. Liu C, Lu P, Lu Y, Xu H, Wang S, Chen J. Clinical implications of metastatic lymph node ratio in gastric cancer. BMC Cancer. 2007;7:200.10.1186/1471-2407-7-200219478117958880
- 24. Sianesi M, Bezer L, Del Rio P, et al. The node ratio as prognostic factor after curative resection for gastric cancer. J Gastrointest Surg. 2010;14:614-619.10.1007/s11605-009-1142-x20101526