Head and neck surgical oncology is a specialized field of medicine that focuses on the diagnosis, treatment, and management of cancers affecting the head and neck region. This includes tumors of the oral cavity, pharynx, larynx, sinuses, salivary glands, thyroid, and parathyroid glands. Surgeons in this field perform complex surgeries to remove tumors, reconstruct affected areas, and work closely with other specialists to provide comprehensive cancer care.