Chemotherapy - refers to the use of medicines to treat cancer. It has been used for many years and is one of the most common treatments for cancer.

Immunologic Therapy - uses the body's immune system to fight cancer. The cells, antibodies, and organs of the immune system work to protect and defend the body against foreign invaders, such as bacteria or viruses

Bone Marrow Transplantation - involves taking cells that are normally found in the bone marrow (stem cells), filtering those cells, and giving them back either to the donor (patient) or to another person. 

Palliative care - makes patients as comfortable as possible and that prevents and relieves suffering. And, although it is part of end-of-life care, it can be applied to care for people in any stage of disease.

Understanding Cancer - Grading and Staging of Cancer