my husband is 46yr being treated for pc since august 2007 his tumormarkers started at 320 had 10rounds on gemzar they went down to 160 6wks ago had sirt treatment done liver tests or good but tumormarkers are now 180 they say they dont think that the markers will go down now he will have a scan done in 4wks to see where its at he is very fit working all the time no pain has 3tumors on the liver and cant be operate to remove. should we go back on a new chemo or is there something else todo we live in Australia Perth and we also got told 3to 6mths now maybe 12 to 18 if anybody has any ideas appreciate