Chemotherapy is a treatment that involves the use of medication to destroy cancer cells. This procedure may be given prior to surgery (neo-adjuvant chemotherapy) to reduce the size of large tumors so that a less extensive surgery can be performed to completely remove the tumor, or after surgery (adjuvant chemotherapy) to kill any stray cancer cells that may remain even after surgery, preventing the tumor from recurring.

Chemotherapy is administered orally or intravenously, and is most effective when given as a combination of 2 or more drugs. The drugs travel through the blood stream and attack the rapidly dividing cancer cells. This therapy is given in cycles, wherein each session of chemotherapy is followed by a period of rest during which time your body can recuperate from the effects of treatment. The period of each cycle varies based on the type of drug used, and the duration of chemotherapy lasts for about 3 to 6 months depending on the severity of your cancer.