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Kaplan–Meier curve of overall survival (in months) of patients with technically unresectable T4a oral cavity squamous cell cancers, who received nonsurgical local treatment postinduction chemotherapy (n = 65). The median overall survival for patients receiving definitive chemo-radiation, definitive radiation, palliative radiation, and best supportive care were 11.8, 8.5, 6.8, and 5.3 months, respectively
