Each case is different. But on average, treatments are given over 6 to 12 months. This varies with each case and the patient's tolerance to treatment. Usually done as an outpatient, each visit takes about 2 to 3 hours. As with any potent therapy, side effects can be expected.
Chemotherapy works mainly on rapidly dividing cancer cells.
But healthy cells, especially those that divide rapidly, can be harmed as well. This may cause unwanted side effects which are unpleasant but don't last forever. Most side effects are mild and can be limited with your doctor's help. They will go away gradually after treatment is stopped. Follow Up Visits Colon cancer can return at or near the site of original surgery, and it can spread to organs in other parts of the body.