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. 2024 Aug 20;137(16):1957-1964.
doi: 10.1097/CM9.0000000000003225. Epub 2024 Jul 3.

Burden of six major types of digestive system cancers globally and in China

Yueyang Zhou  1 , Kai Song  2 , Yuqing Chen  1 , Yuelun Zhang  1 , Min Dai  3 , Dong Wu  2   4 , Hongda Chen  1
Affiliations

Burden of six major types of digestive system cancers globally and in China

Yueyang Zhou et al. Chin Med J (Engl). .

Abstract

Background: Digestive system cancers constitute a significant number of cancer cases, but their burden is not uniform. As Global Cancer Observatory (GLOBOCAN) 2022 has recently updated its estimates of cancer burden, we aimed to investigate the burden of six major digestive system cancers both worldwide and in China, along with geographical and temporal variations in cancer-specific incidence and mortality.

Methods: We extracted data on primary cancers of the esophagus, stomach, colorectum, liver, pancreas, and gallbladder from the GLOBOCAN database for 2022. Age-standardized incidence and mortality rates were calculated and stratified by sex, country, region, and human development index (HDI). We used the 2022 revision of the World Population Prospects (United Nations) to obtain demographic data for various age groups in China from 1988 to 2012 and used the joinpoint model and the average annual percentage change (AAPC) to analyze cancer incidence trends in China.

Results: In 2022, the estimated global incidence of digestive system cancers reached 4,905,882, with an estimated 3,324,774 cancer-related deaths. Colorectal cancer was most prevalent in terms of incidence and mortality. There was a significant correlation between the burden of gastrointestinal cancers and country HDI. From 1988 to 2012, the incidence of esophageal, gastric, and liver cancers declined in China, whereas colorectal and pancreatic cancer incidences continued to increase. By 2050, colorectal and liver cancers are projected to remain the leading cancer types in China in terms of incidence and mortality, respectively.

Conclusions: Digestive system cancers remain a significant public health challenge globally and in China. Although progress has been made in the prevention and control of some cancers, the burden of digestive system cancers persists. The implementation of tertiary prevention strategies must be intensified to reduce the incidence and mortality of digestive system cancers, mitigating their impact on public health.

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Figures

Figure 1
Figure 1
Estimated incidence (A) and mortality (B) of digestive system cancers globally in 2022 according to human develop index. HDI: human development index.
Figure 2
Figure 2
Estimated increase in the number of new cases (A) and deaths (B) of digestive system cancers in China, 2022–2050.
See this image and copyright information in PMC

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