“…Treatment includes lateral or total parotidectomy, with a bilateral procedure if needed, 11 supplemented by resection of the affected cartilage and bone of the external auditory canal, skin, masseter, digastric or sternocleidomastoid muscle, and the mandibular branch or area of the base of the cranium. [11][12][13][14] In stage III cases, after radial surgical treatment, adjuvant RT should be introduced; nonetheless, for stage IV, there are no unambiguously determined management strategies. The authors' observations based on 6 cases confirm the role of extensive surgery followed by adjuvant RT.…”