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梨状窝鳞状细胞癌恶性程度高，易向周围侵犯及早期远处转移，属预后最差的头颈癌之一。ＴＮＭ分期标准虽被广泛采用，但不能理想地判断预后，因此临床上需要有新的手段对梨状窝鳞状细胞癌进行预后评估，要求这些手段不仅能预测生存状况，而且能据此选择适当的治疗方案和制定随
Pear-like squamous cell carcinoma squamous cell carcinoma is highly malignant, easily invading the surrounding and early distant metastasis, is one of the worst prognosis of head and neck cancer. Although the TNM staging standard is widely used, but can not determine the prognosis of the ideal, so the clinical need for new means to evaluate the prognosis of squamous cell carcinoma of the pear, requires these means not only predict the survival status, but also choose the appropriate The treatment plan and make with