Medical Oncology as the term suggests deals with treatment of cancer with Chemotherapy: use of drugs to kill cancer cells, Targeted therapy: use of drugs to block the growth & progression of cancer cells by interfering with molecules involved in growth and development of cancer cells, Immunotherapy: deals with boosting body's immune system to deal with cancer and Hormonal therapy: drugs are used to block the effect of hormones that are used by cancer cells for their growth & development