Medical oncology concerned with the analysis and treatment of all different types of malignant tumour and cancer. Doctors those who have specialization in this field are called as medical oncologists. Medical oncologists are nothing but general physician for those who have cancer. With the help of radiation oncologist and surgical oncologist, medical oncologist directs whole treatment of a cancer patient. Medical oncology includes hormonal therapy, chemotherapy, biological therapy and targeted therapy to cure all types of cancer.