The study and treatment of cancer. It encompasses a multidisciplinary approach involving the diagnosis, treatment, and prevention of various types of cancer. Oncologists, specialized physicians in this field, employ a range of therapies such as surgery, chemotherapy, radiation, immunotherapy, and targeted therapies to combat cancer. Advances in molecular biology and genetics have led to personalized treatment strategies, tailoring interventions to the unique characteristics of a patient's cancer. Early detection through screenings and ongoing research contribute to improved outcomes, making oncology a dynamic field crucial in the global fight against cancer.