ObjectiveTo investigate the factors related with curative effect and prognosis of postoperative radiotherapy for nasal and paranasal sinuses carcinoma.
目的探讨影响鼻腔副鼻窦恶性肿瘤术后放疗效果与预后的因素。
Cancer of the nasal passages affects the paranasal sinuses (the small cavities in the bone surrounding the nose) and the breathing passages in the nose.
鼻癌影响鼻旁窦（鼻旁骨质内的小腔腺）和鼻内的呼吸通道。
Besides, the primary tumor might extend to the nasal fossa (5 cases), paranasal sinuses and the base of the skull (5 cases).
此外，原发瘤可以扩展到鼻腔(5例)，副鼻窦和颅底(5例)。
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