Impact of Newly Introduced Population-Based Screening and the COVID-19 Pandemic on Colorectal Cancer Incidence and Characteristics: A Retrospective Cohort Study.

There was a surprisingly beneficial shift in CRC clinical characteristics, TNM and AJCC stage in the postpandemic period, with significantly increased proportion of T1 tumors, as well as elevation was observed in the proportion of early-stage and localized stage CRCs and decrease in the rates of locally advanced stage and metastatic stage CRCs; however, these differences did not reach statistical significance.

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