but then he met doctor jonathan zager. doctor zager offered another way, something called isolated limb infusion. mike hladky: "to keep my arm, i said you bet." doctors target the tumor by delivering as much as ten times the normal amount of chemotherapy. first, they isolate e jonathan zager, md / surgical oncologist "we put a tourniquet above those catheters and this way we can profuse the arm with high-dose heated chemotherapy and the tourniquet prevents the chemotherapy from getting to any other place in the body." doctor zager says there's a 30 to 40 percent chance the tumor will respond to the treatment. jonathan zager, md "so i've done it three maybe even four times in the same patient. we usually space it out at least three to four months and we'll only repeat it hladky's tumor shrank significantly. he did the isolated limb infusion a second time and says he'll do a replay, in an instant, if he has too. mike hladky: "it's nice to have your arm when you demonstrate you know. it's nice to have two hands." so it looks