Final answer:
Chemotherapy is a type of cancer treatment that uses drugs to kill or slow down cancer cells. It can be given with a curative intent or to reduce symptoms. Targeted therapies are available for specific types of cancer.
Step-by-step explanation:
Chemotherapy is a type of cancer treatment that uses one or more anti-cancer drugs (chemotherapeutic agents) as part of a standardized chemotherapy regimen. It is a treatment using drugs to kill or slow down cancer cells. Chemotherapy may be given with a curative intent or it may aim to prolong life or reduce symptoms. It is one of the major categories of medical oncology, and targeted therapies exist for various types of cancer.