What branch of science does cancer fall in?

Cancer falls in the branch of science known as oncology. Oncology is a specialized field of medicine that focuses on the study, diagnosis, and treatment of cancer. It encompasses various disciplines within the medical field, including medical oncology, surgical oncology, radiation oncology, and pediatric oncology, among others. Each discipline focuses on specific aspects of cancer management, such as drug therapies, surgical interventions, radiation treatments, and supportive care for children with cancer, respectively.