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Impact of Coronavirus Disease 2019 on Gastric Cancer Diagnosis and Stage: A Single-Institute Study in South Korea

 Moonki Hong  ;  Mingee Choi  ;  JiHyun Lee  ;  Kyoo Hyun Kim  ;  Hyunwook Kim  ;  Choong-Kun Lee  ;  Hyo Song Kim  ;  Sun Young Rha  ;  Gyu Young Pih  ;  Yoon Jin Choi  ;  Da Hyun Jung  ;  Jun Chul Park  ;  Sung Kwan Shin  ;  Sang Kil Lee  ;  Yong Chan Lee  ;  Minah Cho  ;  Yoo Min Kim  ;  Hyoung-Il Kim  ;  Jae-Ho Cheong  ;  Woo Jin Hyung  ;  Jaeyong Shin  ;  Minkyu Jung 
 JOURNAL OF GASTRIC CANCER, Vol.23(4) : 574-583, 2023-10 
Journal Title
Issue Date
COVID-19 ; Gastric cancer ; Incidence ; Stomach neoplasms
Purpose: Gastric cancer (GC) is among the most prevalent and fatal cancers worldwide. National cancer screening programs in countries with high incidences of this disease provide medical aid beneficiaries with free-of-charge screening involving upper endoscopy to detect early-stage GC. However, the coronavirus disease 2019 (COVID-19) pandemic has caused major disruptions to routine healthcare access. Thus, this study aimed to assess the impact of COVID-19 on the diagnosis, overall incidence, and stage distribution of GC.

Materials and methods: We identified patients in our hospital cancer registry who were diagnosed with GC between January 2018 and December 2021 and compared the cancer stage at diagnosis before and during the COVID-19 pandemic. Subgroup analyses were conducted according to age and sex. The years 2018 and 2019 were defined as the "before COVID" period, and the years 2020 and 2021 as the "during COVID" period.

Results: Overall, 10,875 patients were evaluated; 6,535 and 4,340 patients were diagnosed before and during the COVID-19 period, respectively. The number of diagnoses was lower during the COVID-19 pandemic (189 patients/month vs. 264 patients/month) than before it. Notably, the proportion of patients with stages 3 or 4 GC in 2021 was higher among men and patients aged ≥40 years.

Conclusions: During the COVID-19 pandemic, the overall number of GC diagnoses decreased significantly in a single institute. Moreover, GCs were in more advanced stages at the time of diagnosis. Further studies are required to elucidate the relationship between the COVID-19 pandemic and the delay in the detection of GC worldwide.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyoo Hyun(김규현)
Kim, Yoo Min(김유민)
Kim, Hyun Wook(김현욱) ORCID logo https://orcid.org/0000-0002-4274-7562
Kim, Hyoung Il(김형일) ORCID logo https://orcid.org/0000-0002-6134-4523
Kim, Hyo Song(김효송) ORCID logo https://orcid.org/0000-0002-0625-9828
Rha, Sun Young(라선영) ORCID logo https://orcid.org/0000-0002-2512-4531
Park, Jun Chul(박준철) ORCID logo https://orcid.org/0000-0001-8018-0010
Shin, Sung Kwan(신성관) ORCID logo https://orcid.org/0000-0001-5466-1400
Shin, Jae Yong(신재용) ORCID logo https://orcid.org/0000-0002-2955-6382
Lee, Sang Kil(이상길) ORCID logo https://orcid.org/0000-0002-0721-0364
Lee, Yong Chan(이용찬) ORCID logo https://orcid.org/0000-0001-8800-6906
Lee, Choong-kun(이충근) ORCID logo https://orcid.org/0000-0001-5151-5096
Jung, Da Hyun(정다현) ORCID logo https://orcid.org/0000-0001-6668-3113
Jung, Min Kyu(정민규) ORCID logo https://orcid.org/0000-0001-8281-3387
Cheong, Jae Ho(정재호) ORCID logo https://orcid.org/0000-0002-1703-1781
Cho, Minah(조민아) ORCID logo https://orcid.org/0000-0003-3011-5813
Choi, Yoon Jin(최윤진)
Hyung, Woo Jin(형우진) ORCID logo https://orcid.org/0000-0002-8593-9214
Hong, Moonki(홍문기) ORCID logo https://orcid.org/0000-0001-9528-4912
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