Figure 2.
Distribution of the number of procedures and institutions by procedural volume. (a) The number of ESD performed in each group is proportional to the total number of ESD procedures. (b) The distribution of institutions is presented according to the annual procedural volume of ESD. (c) The number of EMR performed in each group is proportional to the total number of EMR procedures. (d) The distribution of institutions is presented according to the annual procedural volume of EMR. ESD endoscopic submucosal dissection, EMR endoscopic mucosal resection.
