How successful is chemo treatments along with fu2 cheom for two days in treating colon cancer -stage 4?

This is complicated: There are many different chemo regimens for people with stage 4 colon cancer which include fluorouracil. The effectiveness of the chemotherapy varies quite a bit depending upon your coexisting medical conditions. On average, however, stage 4 colon cancer is very serious and regardless of treatment the 5 year survival rate is low, in the range of 10% or less.