COVID-19(7) Computed tomography(6) pandemic(6) Patient(6) objective(5) Result(5) material(5) coronavirus disease(5) radiologist(4) patients with COVID-19(4) coronavirus(4) sensitivity(3) age(3) the disease(3) retrospective(3) Tomography, X-Ray Computed(3) Tomografia Computadorizada(3) Coronavírus(3) Isolation(3) acute respiratory syndrome(3) caused(3) Infection(3) change(2) polymerase chain(2) alteration(2) single-center study(2) criteria(2) performed(2) evaluate(2) RT-PCR(2)