COVID-19(78) Patient(65) Treatment(55) Cancer(55) COVID-19 pandemic(47) pandemic(44) Care(35) oncology(35) SARS-CoV-2(27) management(25) Canada(21) Diagnosis(21) cancer patient(21) coronavirus(20) Impact(20) outcome(20) Support(19) reported(18) Radiation(18) Health(17) patients(17) disease(17) Radiotherapy(15) Vaccine(15) collected(15) Chemotherapy(14) evaluate(14) Infection(14) review(14) hospital(14)