Fig. 4From: Laparoscopic surgery produced less surgical smoke and contamination comparing with open surgery: the pilot study in fresh cadaveric experiment in COVID-19 pandemicContaminated surgical areas in open versus laparoscopic appendectomy. The examples of photographs in the blinded-questionnaires consisted of 5 areas, skin incisions (1), surgical drapes (2), suctions (3), gloves (4), and face shields (5), respectively. The upper row (A) was from open appendectomy and the lower row (B) from laparoscopic appendectomyBack to article page