There are ways to lessen many of these problems. Chemotherapy for Colon and Rectal Cancer Chemotherapy refers to the use of anti-cancer drugs to kill cancer cells. The drugs are given through an IV or in the form of pills. They enter the bloodstream and reach all areas of the body. Studies have shown that chemotherapy after surgery can increase the survival rate for patients with some stages of colorectal cancer.
Chemotherapy can also help relieve symptoms of advanced cancer.
Chemotherapy can have some side effects. These side effects will depend on the type of drug, how much you have, and how long you take it. Most of the side effects go away when treatment is over. For example, hair will grow back after treatment ends, though it may look different. Anyone who has problems with side effects should talk with their doctor or nurse as there are remedies for many of these.