Laparoscopic intersphincteric resection with intraoperative radiotherapy using low-energy X-rays for locally advanced ultra-low rectal cancer

The introduction of Intrabeam System. The Zeiss Intrabeam System (Carl Zeiss Meditec AG, Germany). a The console. b XRS. c Spherical plastic applicators for IORT. d The X-rays source (XRS) with a spherical applicator mounted on the floor stan