My father was diagnosed with p.c one year ago, he had surgery the tumor was in the tail of the pancreas after surg they did chemo every three weeks for 6 months . last treatment in feb. all counts we fine till july c19-9 went up we had scans ct,bone,all normal. then august 13th went to er for appendicitics they removed it then we find out the p.c was in the appendicitics. his counts are still going up , they started chemo three weeks ago we will try it again., they also started him Tarceva. he is so tired this time around just has no entergy ( the last time he did chemo he did o.k) .. the rash is driving him crazy it is right were the doctor said it would be head chest back .. just wondering how long does this rash take to go away and is you'll have the tiredness with this medicine