“…For example, Terashima et al reported an increase in the number of patients with advanced colon, stomach, and lung cancers in 2020 compared with that in 2019 due to delays in testing, diagnosis, and surgery [9]. However, there is no trajectory of an increase in advanced rectal cancer cases [10]. Kodama et al also reported that even under COVID-19 pandemic, if we should be an awareness of cancer screening and endoscopic follow-up, cancer screening played a signi cant role in the decline in cancer diagnosis [11].…”