Bray F, Laversanne M, Sung H, Ferlay J, Siegel RL, Soerjomataram I, Jemal A. Global cancer statistics 2022: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2024;74(3):229–63. https://doi.org/10.3322/caac.21834.

Article  PubMed  Google Scholar 

Sekiguchi M, Oda I, Matsuda T, Saito Y. Epidemiological trends and future perspectives of gastric cancer in Eastern Asia. Digestion. 2022;103(1):22–8. https://doi.org/10.1159/000518483.

Article  CAS  PubMed  Google Scholar 

Asaka M, Kobayashi M, Kudo T, Akino K, Asaka Y, Fujimori K, et al. Gastric cancer deaths by age group in Japan: outlook on preventive measures for elderly adults. Cancer Sci. 2020;111(10):3845–53. https://doi.org/10.1111/cas.14586.

Article  CAS  PubMed  PubMed Central  Google Scholar 

Haruki T, Nakamura H, Taniguchi Y, Miwa K, Adachi Y, Fujioka S. Lung age’ predicts post-operative complications and survival in lung cancer patients. Respirology. 2010;15(3):495–500. https://doi.org/10.1111/j.1440-1843.2010.01708.x.

Article  PubMed  Google Scholar 

Ogawa F, Miyata S, Nakashima H, Matsui Y, Shiomi K, Iyoda A, et al. Clinical impact of lung age on postoperative complications in non-small cell lung cancer patients aged > 70 y. J Surg Res. 2014;188(2):373–80. https://doi.org/10.1016/j.jss.2014.01.012.

Article  PubMed  Google Scholar 

Hong ZN, Weng K, Chen Z, Peng K, Kang M. Difference between “lung age” and real age as a novel predictor of postoperative complications, long-term survival for patients with esophageal cancer after minimally invasive esophagectomy. Front Surg. 2022;9:794553. https://doi.org/10.3389/fsurg.2022.794553.

Article  PubMed  PubMed Central  Google Scholar 

Okamura A, Watanabe M, Mine S, Nishida K, Kurogochi T, Imamura Y. Spirometric lung age predicts postoperative pneumonia after esophagectomy. World J Surg. 2016;40(10):2412–8. https://doi.org/10.1007/s00268-016-3547-5.

Article  PubMed  Google Scholar 

Japanese Gastric Cancer Association. Japanese gastric cancer treatment guidelines 2021 (6th edition). Gastric Cancer. 2023;26(1):1–25. https://doi.org/10.1007/s10120-022-01331-8.

Article  Google Scholar 

Etoh T, Ohyama T, Sakuramoto S, Tsuji T, Lee SW, Yoshida K, Koeda K, Hiki N, Kunisaki C, Tokunaga M, Otsubo D, Takagane A, Misawa K, Kinoshita T, Cho H, Doki Y, Nunobe S, Shiraishi N, Kitano S, Japanese Laparoscopic Surgery Study Group. Five-year survival outcomes of laparoscopy-assisted vs open distal gastrectomy for advanced gastric cancer: the JLSSG0901 randomized clinical trial. JAMA Surg. 2023;158(5):445–54. https://doi.org/10.1001/jamasurg.2023.0096.

Article  PubMed  PubMed Central  Google Scholar 

Lauren P. The two histological main types of gastric carcinoma: diffuse and so-called intestinal-type carcinoma. An attempt at a histo-clinical classification. Acta Pathol Microbiol Immunol Scand. 1965;64:31–49.

Article  CAS  Google Scholar 

Brierley JD, Gospodarowicz MK, Wittekind C. TNM classification of malignant tumours. 8th ed. Oxford: Wiley-Blackwell; 2017.

Google Scholar 

Dindo D, Demartines N, Clavien PA. Classification of surgical complications: a new proposal with evaluation in a cohort of 6336 patients and results of a survey. Ann Surg. 2004;240(2):205–13.

Article  PubMed  PubMed Central  Google Scholar 

Bouillanne O, Morineau G, Dupont C, Coulombel I, Vincent JP, Nicolis I, et al. Geriatric nutritional risk index: a new index for evaluating at-risk elderly medical patients. Am J Clin Nutr. 2005;82(4):777–83. https://doi.org/10.1093/ajcn/82.4.777.

Article  CAS  PubMed  Google Scholar 

Sugawara K, Yamashita H, Urabe M, Uemura Y, Okumura Y, Yagi K, Aikou S, Seto Y. Combining nutritional status with TNM stage: a physiological update on gastric cancer staging for improving prognostic accuracy in elderly patients. Int J Clin Oncol. 2022;27(12):1849–58. https://doi.org/10.1007/s10147-022-02250-5.

Article  CAS  PubMed  Google Scholar 

Camp RL, Dolled-Filhart M, Rimm DL. X-tile: a new bio-informatics tool for biomarker assessment and outcome-based cut-point optimization. Clin Cancer Res. 2004;10(21):7252–9. https://doi.org/10.1158/1078-0432.ccr-04-0713.

Article  CAS  PubMed  Google Scholar 

Hashimoto T, Kurokawa Y, Mikami J, Takahashi T, Miyazaki Y, Tanaka K, Makino T, Yamasaki M, Motoori M, Kimura Y, Nakajima K, Mori M, Doki Y. Postoperative long-term outcomes in elderly patients with gastric cancer and risk factors for death from other diseases. World J Surg. 2019;43(11):2885–93. https://doi.org/10.1007/s00268-019-05109-5.

Article  PubMed  Google Scholar 

Nishikawa H, Asai A, Fukunishi S, Takeuchi T, Goto M, Ogura T, Nakamura S, Kakimoto K, Miyazaki T, Nishiguchi S, Higuchi K. Screening tools for sarcopenia. Vivo. 2021;35(6):3001–9. https://doi.org/10.21873/invivo.12595.

Article  CAS  Google Scholar 

Nunobe S, Oda I, Ishikawa T, Akazawa K, Katai H, Isobe Y, Miyashiro I, Tsujitani S, Ono H, Tanabe S, Fukagawa T, Suzuki S, Kakeji Y. Surgical outcomes of elderly patients with stage I gastric cancer from the nationwide registry of the Japanese gastric cancer association. Gastric Cancer. 2020;23(2):328–38. https://doi.org/10.1007/s10120-019-01000-3.

Article  PubMed  Google Scholar