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Trends in clinical stage distribution and screening detection of cancer in Osaka, Japan: Stomach, colorectum, lung, breast and cervix

We examined clinical stage distribution and proportion of screen-detected cases of stomach, colorectal, lung, female breast and cervical cancer by sex and age group using Osaka Cancer Registry data from 2000–2014. The proportion of local or in situ stage cancer had increased for all age groups in al...

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Autores principales: Toyoda, Yasuhiro, Tabuchi, Takahiro, Hama, Hitomi, Morishima, Toshitaka, Miyashiro, Isao
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7775058/
https://www.ncbi.nlm.nih.gov/pubmed/33382821
http://dx.doi.org/10.1371/journal.pone.0244644
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author Toyoda, Yasuhiro
Tabuchi, Takahiro
Hama, Hitomi
Morishima, Toshitaka
Miyashiro, Isao
author_facet Toyoda, Yasuhiro
Tabuchi, Takahiro
Hama, Hitomi
Morishima, Toshitaka
Miyashiro, Isao
author_sort Toyoda, Yasuhiro
collection PubMed
description We examined clinical stage distribution and proportion of screen-detected cases of stomach, colorectal, lung, female breast and cervical cancer by sex and age group using Osaka Cancer Registry data from 2000–2014. The proportion of local or in situ stage cancer had increased for all age groups in all sites, except stomach cancer in the 0–49 years group and female breast cancer in the 80 years and older group. The proportion of screen-detected cases had increased during the study period for all age groups in all cancer sites. While the proportion increased noticeably in the younger groups, there was only a slight increase in the older groups. Regarding stomach, colorectal and lung cancers, the proportion of local and in situ stage had similarly increased in the 65–79 years and 80 years and older age groups compared with younger groups, despite lower exposure to cancer screening. Regarding breast and cervical cancers, the increases in local and in situ cancer paralleled the increase in screen-detected cases. These findings suggest that the increases in early stage stomach, colorectal and lung cancers might be due not only to the expansion of screening programs but also the development of clinical diagnostic imaging or other reasons. The increases in local and in situ stage breast and cervical cancers seemed to be due to the expansion of screening. Continued monitoring of trends in cancer incidence by clinical stage may be helpful for estimating the effectiveness of screening.
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spelling pubmed-77750582021-01-11 Trends in clinical stage distribution and screening detection of cancer in Osaka, Japan: Stomach, colorectum, lung, breast and cervix Toyoda, Yasuhiro Tabuchi, Takahiro Hama, Hitomi Morishima, Toshitaka Miyashiro, Isao PLoS One Research Article We examined clinical stage distribution and proportion of screen-detected cases of stomach, colorectal, lung, female breast and cervical cancer by sex and age group using Osaka Cancer Registry data from 2000–2014. The proportion of local or in situ stage cancer had increased for all age groups in all sites, except stomach cancer in the 0–49 years group and female breast cancer in the 80 years and older group. The proportion of screen-detected cases had increased during the study period for all age groups in all cancer sites. While the proportion increased noticeably in the younger groups, there was only a slight increase in the older groups. Regarding stomach, colorectal and lung cancers, the proportion of local and in situ stage had similarly increased in the 65–79 years and 80 years and older age groups compared with younger groups, despite lower exposure to cancer screening. Regarding breast and cervical cancers, the increases in local and in situ cancer paralleled the increase in screen-detected cases. These findings suggest that the increases in early stage stomach, colorectal and lung cancers might be due not only to the expansion of screening programs but also the development of clinical diagnostic imaging or other reasons. The increases in local and in situ stage breast and cervical cancers seemed to be due to the expansion of screening. Continued monitoring of trends in cancer incidence by clinical stage may be helpful for estimating the effectiveness of screening. Public Library of Science 2020-12-31 /pmc/articles/PMC7775058/ /pubmed/33382821 http://dx.doi.org/10.1371/journal.pone.0244644 Text en © 2020 Toyoda et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Toyoda, Yasuhiro
Tabuchi, Takahiro
Hama, Hitomi
Morishima, Toshitaka
Miyashiro, Isao
Trends in clinical stage distribution and screening detection of cancer in Osaka, Japan: Stomach, colorectum, lung, breast and cervix
title Trends in clinical stage distribution and screening detection of cancer in Osaka, Japan: Stomach, colorectum, lung, breast and cervix
title_full Trends in clinical stage distribution and screening detection of cancer in Osaka, Japan: Stomach, colorectum, lung, breast and cervix
title_fullStr Trends in clinical stage distribution and screening detection of cancer in Osaka, Japan: Stomach, colorectum, lung, breast and cervix
title_full_unstemmed Trends in clinical stage distribution and screening detection of cancer in Osaka, Japan: Stomach, colorectum, lung, breast and cervix
title_short Trends in clinical stage distribution and screening detection of cancer in Osaka, Japan: Stomach, colorectum, lung, breast and cervix
title_sort trends in clinical stage distribution and screening detection of cancer in osaka, japan: stomach, colorectum, lung, breast and cervix
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7775058/
https://www.ncbi.nlm.nih.gov/pubmed/33382821
http://dx.doi.org/10.1371/journal.pone.0244644
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