The study or science dealing with the physical, chemical, and biologic properties and features of neoplasms, including causation, pathogenesis, and treatment. American Society of Clinical Oncology – Find out about up-to-date research, professional development resources, and networking opportunities. Of note is the addition of an ONS Board of Directors-approved definition of oncology nursing: “a nursing specialty that seeks to reduce the risks, incidence, and burden of cancer by encouraging healthy lifestyles, promoting early detection, and improving the management of cancer symptoms and side effects throughout the disease trajectory. Oncology Nursing Society – A community of over 39,000 members, with tons of practice resources and the latest on advocacy and policy. NCI's Dictionary of Cancer Terms provides easy-to-understand definitions for words and phrases related to cancer and medicine. An oncology nurse is a specialized nurse who cares for cancer patients.. Certification in the United States. Oncology nursing care can defined as meeting the various needs of oncology patients during the time of their disease including appropriate screenings and other preventive practices, symptom management, care to retain as much normal functioning as possible, and supportive measures upon end of life. The Oncology Nursing Certification Corporation (ONCC) offers several different options for board certification in oncology nursing.