A retrospective 5-year survival analysis of surgically resected gastric cancer cases from the Japanese Gastric Cancer Association nationwide registry (2001–2013)

Background The nationwide registry of the Japanese Gastric Cancer Association collected data of surgically resected cases of gastric cancer between 2001 and 2013. These retrospective analyses aimed to delineate tumor characteristics, surgical history, and survival distribution. Methods Data from 254...

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Published in:Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association 2022-11, Vol.25 (6), p.1082-1093
Main Authors: Kakeji, Yoshihiro, Ishikawa, Takashi, Suzuki, Satoshi, Akazawa, Kohei, Irino, Tomoyuki, Miyashiro, Isao, Ono, Hiroyuki, Suzuki, Haruhisa, Tanabe, Satoshi, Kadowaki, Shigenori, Muro, Kei, Fukagawa, Takeo, Nunobe, Souya, Wada, Takeyuki, Katai, Hitoshi, Kodera, Yasuhiro
Format: Article
Language:English
Subjects:
Abdominal Surgery
Aged
Cancer Research
Data collection
Gastrectomy
Gastric cancer
Gastroenterology
Humans
Laparoscopy
Medical prognosis
Medicine
Medicine & Public Health
Neoplasm Staging
Oncology
Original Article
Prognosis
Registries
Retrospective Studies
Stomach Neoplasms - pathology
Surgical Oncology
Survival
Survival Analysis
Survival Rate
Tumors
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Summary:Background The nationwide registry of the Japanese Gastric Cancer Association collected data of surgically resected cases of gastric cancer between 2001 and 2013. These retrospective analyses aimed to delineate tumor characteristics, surgical history, and survival distribution. Methods Data from 254,706 patients with primary gastric cancer were included. The 5-year survival rates were calculated for various subsets of prognostic factors. Results The number of patients over 70 years old increased from 2001 to 2013. The frequency with which laparoscopic gastrectomy was opted for increased dramatically (from 3.5 to 40.8%) in 13 years. We focused on the patients registered between 2010 and 2013, for whom data collection was based on the 3rd edition of the Japanese classification and guidelines. Five-year overall survival (OS) rate among 92,305 patients with resected tumors was 70.6%. The 5-year OS rates of patients with pathological stage IA, IB, IIA, IIB, IIIA, IIIB, IIIC, and IV disease were 89.6%, 83.2%, 77.6%, 68.1%, 59.3%, 45.6%, 29.9%, and 14.0%, respectively. Conclusion Our detailed analysis highlights the historical changes in outcomes of surgically treated gastric malignancies in Japan, and provides robust dataset for future analysis.
ISSN:1436-3291
1436-3305
DOI:10.1007/s10120-022-01317-6