“…Stenosis of the carotid artery in the neck is a late sequela of radiotherapy for nasopharyngeal carcinoma that can increase the incidence of ipsilateral cerebral ischemic events [ 1 , 2 ]. A number of clinical studies and case reports have assessed ischemic stroke caused by chronic carotid artery stenosis or occlusion after cervical tumor radiotherapy [3] , [4] , [5] , [6] . However, there are no reports of ischemic stroke involving tandem lesions of the acute carotid artery and high-load thrombosis after radiotherapy for nasopharyngeal carcinoma.…”