Oncology is the branch of medicine that specializes in the prevention, diagnosis, and treatment of cancer. Oncologists work to understand the unique characteristics of various cancers and develop personalized treatment plans that may include surgery, chemotherapy, radiation therapy, immunotherapy, or targeted therapies. The field encompasses several subspecialties, such as medical oncology, surgical oncology, and radiation oncology. Oncologists collaborate with multidisciplinary teams to provide comprehensive care, including pain management and emotional support for patients and their families. Advances in oncology continue to improve survival rates and the quality of life for those affected by cancer.