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The purpose of this study was to evaluate the potential of serum CYFRA21-1 and carcinoembryonic antigen (CEA) as prognostic markers in patients with undifferentiated nasopharyngeal carcinoma. Sixty-one patients who received definitive radiotherapy/chemoradiotherapy were analysed retrospectively. We investigated the association of the follow-up results with(More)
Particle radiotherapy using proton and heavier-ion beam was first proposed for clinical application by Robert Wilson in 1946. Compared to conventional photon radiation, proton and heavier-ion beam has significant physical advantage, and heavier-ion has unique biological characteristics. With the development of accelerator and radiation technique, it is(More)
OBJECTIVE The purpose of this study was to evaluate the potential of CYFRA 21-1 (CYFRA) and CEA as a prognostic marker in patients with undifferentiated nasopharyngeal carcinoma (NPC). METHODS From March 2004 to February 2008, 62 patients with newly diagnosed, undifferentiated NPC were treated in our department. Their clinocopathological data were(More)
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