Figure 2

Locally recurrent rectal cancer with ¹²⁵I seeds implant under CT guidance. (a) CT scan shows that ¹²⁵I seeds are implanted into the tumor via 18G implantation needles (arrow). (b) CT scan shows the distribution of ¹²⁵I seeds post implantation (arrow). (c) 2 month follow-up. CT scan shows recurrent tumor partially decreased and ¹²⁵I seeds gathered together (arrow).