Children younger than 9 years of age who are receiving Influenza. vaccine for the first time should receive 2 doses this season. See current influenza recommendations for other factors affecting the decision to. administer one vs. two doses to children younger than 9 years.
Chemotherapy drugs. The most common chemotherapy drugs used to treat colorectal cancer are: 1  5-fluorouracil (5-FU, Adrucil). 2  given by intravenous intravenousWithin or into a vein (a blood vessel that carries blood from tissues and organs in the body to the heart). 3  injection, either intermittently or as a continuous infusion.
What This Means for Patients. For patients with stage II or III colorectal cancer, CEA testing after surgery is recommended every three months, for at least three years after diagnosis. Along with other tests, CEA tests are one way doctors can find out whether the cancer has spread or returned.