COVID-19(27) Patient(27) Cancer(26) death(19) Analysis(18) COVID-19 pandemic(16) Follow-up(16) Patients with cancer(16) Registered(16) SARS-CoV-2(16) multicentre(16) 95% CI(15) participant(15) finding(14) Cohort(14) Sex(14) funding(14) age(14) therapy(13) Diagnosis(13) enrolled(13) defined(13) patients(13) outcome(13) reported(12) retrospective(12) FIVE(12) Trust(12) Older(11) Treatment(10)