Abstract Aim The National Clinical Database (NCD) of Japan is a nationwide data entry
system for surgery, and it marked its 10th anniversary in 2020. The aim was to present the …

Background There is significant concern that cancer care is adversely impacted due to the
coronavirus disease pandemic. Using the national database, we document the impact of the …

Background The coronavirus disease 2019 (COVID-19) affected cancer care in Japan, but
the detailed impact on cancer diagnosis and treatment is not well-understood. We aimed to …

Aim This study aimed to investigate the effect of the coronavirus disease pandemic on the
number of surgeries for gastroenterological cancer cases in Japan. Methods The data …

Background Since its outbreak in early 2020, the COVID-19 pandemic has diverted
resources from non-urgent and elective procedures, leading to diagnosis and treatment …

Objective The COVID-19 pandemic led to an increase in mortality in most countries in 2020,
deviating from prior decreasing trends. In Japan, however, mortality was suggested to …

Background The coronavirus disease 2019 (COVID-19) pandemic forced us to accept
changes in our usual diagnostic procedures and treatments for colorectal cancer. This study …

Background The coronavirus disease 2019 (COVID‐19) pandemic had resulted in either
failure to provide required medical resources or delayed treatment for gastric cancer …

Aim The aim of this article is to investigate the effect of the coronavirus disease 2019 (COVID-
19) pandemic on our surgical department, which is situated in Athens, Greece, as well as to …

The COVID-19 pandemic has disrupted health care access around the world, both for
inpatients and outpatients. We applied a quasi-Poisson regression to national, monthly data …