COVID-19(4) Prolapse(3) denervation(3) pseudohernia.(3) herpes zoster(3) protrusion(3) abdominal wall deformation(3) SARS-CoV-2(2) surgery.(1) coronavirus(1) endoscopic tracheostomy.(1) COVID(1) coronavirus disease COVID-19(1) Surgical treatment.(1) MERS(1) prevention(1) surgical treatment of tumors.(1) routing of patients(1) SARS(1) pandemic(1) oncology(1) proven efficacy of drugs(1) Coronavirus infection(1) dilatational tracheostomy(1) Screening(1) drugs(1) lung cancer(1) 2019-nCoV(1) Cancer(1) Elective surgery(1)