The computer searches the web of science and CNKI. The search period is from the establishment of the database to August 2022. The search adopts the combination of free words and subject words and uses the literature tracking method to find relevant literature. The search terms in the English database include “mesocolon excision” and “laparoscopy”; The search terms in the Chinese database include “mesocolon excision,” “laparotomy” and “laparoscopy.”
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