<qa>  What is the average age of a Pateint?3.1.2 Pateint who are qualified for treatment with gemcitabine 3.1.3 No prior chemotherapy for colon cancer. 3.1.4 Performance status 0-2 ECOG scale. 3.1.5 Age 18 y. 3.1.6 Adequate hematologic function ANC 1500mm3, platelet count 100,000mm3 . 