Fig. 1From: The efficacy and dosimetry analysis of CT-guided 125I seed implantation assisted with 3D-printing non-co-planar template in locally recurrent rectal cancer (a) (b) Preoperative simulation of seeds implantation assisted with 3D-PNCT in B-TPS. c Fixation of 3D-PNCT on the surface of the skin according to the positioning markers. d The needles were inserted to the planned depth through the channels in 3D-PNCT. 3D-PNCT: 3D-printing non-co-planar template; B-TPS: brachytherapy treatment planning systemBack to article page