Dr. Siva Subramaniyam K is a Radiation Oncologist at the VS Hospital in Chennai. A specialist in the treatment of cancer he primarily deals with the radiation removal or treatment of cancerous tumours. Radiation oncology is one of the three primary specialties for the treatment procedures of cancer the other two being medical and surgical oncology. Radiation can be used either alone or in combination with surgery and/or chemotherapy. It may also be used palliatively to relieve symptoms in patients with incurable cancers.