Fig. 1From: Ex vivo porcine model study on the treatment outcomes of scissor-type knife versus needle-type knife in endoscopic submucosal dissection performed by traineesFlow chart demonstrating the categorization of the included trainees. J-Trainee junior-trainee with experience less than 1000 endoscopies, S-Trainee senior-trainee with an experience of more than 1000 endoscopies, ESD-N endoscopic submucosal dissection with a needle-type knife, ESD-S endoscopic submucosal dissection with a scissor-type knifeBack to article page