Table 1. The search strategy summary.

Items	Specification
Date of search	June 2022
Databases and other sources searched	PubMed, ClinicalTrials.gov
Search terms used	Gastric cancer, endoscopic resection, EMR, ESD, perioperative, neoadjuvant, adjuvant, metastatic, targeted therapy, immune checkpoint inhibitors
Timeframe	Up to June 2022
Inclusion and exclusion criteria	Excluded: non-English studies
Selection process	Y Nevo conducted the selection; L Ferri approved the selection of studies

EMR, endoscopic mucosal resection; ESD, endoscopic submucosal dissection.