Background Breast cancer care has been affected by the COVID-19 pandemic. This
systematic review aims to describe the observed pandemic-related changes in clinical and …

The mortality rate of patients affected with oral squamous cell carcinoma (OSCC) has been
stable in recent decades due to several factors, especially diagnostic delay, which is often …

Importance Disruptions to health care during the COVID-19 pandemic may have led to
missed cancer diagnoses. It is critical to evaluate the association between the COVID-19 …

Importance The COVID-19 pandemic has impacted cancer systems worldwide. Quantifying
the changes is critical to informing the delivery of care while the pandemic continues, as well …

Objective The ongoing COVID-19 pandemic has caused an indefinite delay to cancer
screening programs worldwide. This study aims to explore the impact on breast cancer …

Background & Aims The COVID-19 pandemic has affected clinical services globally,
including colorectal cancer (CRC) screening and diagnostic testing. We investigated the …

Background This study aimed to estimate potential undetected cancers over the first 2 years
of the COVID-19 pandemic in Catalonia. Methods Cancer incidence was compared between …

Background: To assess the effect of the COVID-19 pandemic on performance indicators in
the population-based breast cancer screening program of Parc de Salut Mar (PSMAR) …

Purpose Little is known on how coronavirus disease 2019 (COVID-19) has impacted cancer
diagnosis in Germany since the first lockdown in March 2020. Therefore, this retrospective …

Background: This study aimed to explore the hypothesis that the stage of breast cancer at
initial diagnosis in 2020 is more advanced compared with 2019. Methods: Tumor, node …