COVID-19(10) SARS-CoV-2(7) Patient(7) Viral(7) reported(7) Mortality(6) pandemic(6) expression(4) SARS-coronavirus(4) rectum(4) TMPRSS2(4) analyzed(4) risk factor(4) expressing(4) Colorectal(4) DNA methylation(4) host cell(4) overexpression(4) Coronavirus disease 2019(4) Cancer(4) upregulated gene(4) addition(4) Colorectal cancer(4) Care(4) Colon(4) coronavirus disease(4) Gene Expression(4) COAD(4) affected(4) viral entry(4)