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癌的分期系统需具有4个基本功能：即为不同单位间对比结果提供预后评估；协助制定治疗方案；评估疗效和标准化命名。其中最重要的是提供准确的预后评估。头颈癌的TNM分期仅基于肿瘤的形态学描述，而忽略了患者的症状。当患者发生癌肿时是通过症状才使病人察觉。患者与癌肿间的?
The cancer staging system has four basic functions: to provide a prognostic assessment of the contrast between different units; to assist in developing a treatment plan; to evaluate the efficacy and standardized nomenclature. The most important of these is to provide an accurate prognostic assessment. TNM staging of head and neck cancer is based solely on the morphological description of the tumor, ignoring the patient’s symptoms. When the patient has a cancer, it is through the symptoms that make the patient aware of it. Between patients and cancer?