COVID-19(16) Patient(13) Cancer(8) SARS-CoV-2(7) COVID‐19(7) Chemotherapy(7) risk(6) coronavirus(6) Tumor(5) 95% confidence interval(5) COVID‐19 infection(5) Vaccine(5) patients treated(5) Evidence(5) review(5) Treatment(5) Patients with cancer(5) coronavirus disease(5) Coronavirus disease 2019(5) pandemic(4) outcome(4) reported(4) cancers(4) National(4) Efficacy(3) remained(3) Hematological malignancies(3) CLL patient(3) Infection(3) Impact(3)