Chemotherapy is a drug treatment that employs potent chemicals to target and eliminate rapidly dividing cells in the body. It is primarily utilized to combat cancer because cancer cells tend to grow and reproduce at a much faster rate than most normal cells. Various chemotherapy drugs are accessible, and they can be administered individually or in combination to address a wide range of cancer types. While chemotherapy is an effective means of treating many forms of cancer, it does come with the potential for side effects. Some of these side effects are manageable and mild, but others have the potential to lead to severe complications.

Targeted therapy is an approach to cancer treatment where tumors are examined for various mutations to identify specific targets in individual cancer patients.

The majority of targeted therapies are available in the form of oral pills, making them convenient and easy to take. Additionally, they are often associated with fewer major side effects compared to traditional treatments.

Immunotherapy is a type of cancer treatment designed to boost the body's immune system in its fight against cancer. The immune system plays a crucial role in defending the body against infections and various diseases. It consists of white blood cells, as well as organs and tissues of the lymph system.

Yes, immunotherapy falls under the category of biological therapy, which involves the use of substances derived from living organisms to treat cancer and other medical conditions.