1.1 Objectives/Aims
Though radiotherapy killing tumor tissues, it may cause necrosis of surrounding tissues and exposure of the carotid artery, leading to fatal hemorrhage in certain patients with carotid artery invasion. No relevant studies have reported the therapeutic effects and associated risk factors for fatal massive hemorrhage in patients with LANC accompanied by carotid artery invasion. This retrospective study analyzed the therapeutic effects and associated risk factors in such patients.