| http://www.w3.org/ns/prov#value | - Recurrent or second primary HNC in a previously irradiated field has a poor prognosis with a median survival of approximately 6 months with best supportive care. [11] Uncontrolled disease at the primary site or regional lymph nodes can cause complications including pain, disfigurement, significant difficulties with speech and swallowing, as well as the development of metastatic disease. [12] Treat
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