COVID-19(11) COVID-19 pandemic(10) surgical(8) Care(6) Patient(6) Result(6) Japan(6) affected(6) evaluate(4) recorded(4) Spread(4) Safe(4) death(4) reported(4) outbreak(4) postoperative(4) Analysis(4) Effect(4) SARS-CoV-2(4) Surgical triage(4) required(4) pandemic(4) Infection(4) recommendations(2) Medical crisis(2) Region(2) kidney(2) World Health Organization(2) Surgical Procedure(2) Clinical finding(2)