If 5-FU was used during surgery or if no anti-fibrotic agent was applied, 5 mg 5-FU daily can be injected in the 7–14 postoperative days.
If 5-FU is given during surgery or if an anti-fibrotic agent isn't used, patients can receive 5 mg of 5-FU daily starting on the 7th to 14th postoperative days.