年老的患者通常不能耐受标准治疗方法包括化疗和放疗，尤其是如果他们患有其他疾病的条件下。
Elderly patients often cannot tolerate standard treatment including chemotherapy and radiation therapy, particularly if they have other existing medical conditions.
世卫强调，三聚氰胺这种污染物不应在食品中出现，但有时无法避免，所以这是耐受标准而不是安全标准。
The WHO also stressed that melamine is a contaminant that should not be in food, although sometimes it is unavoidable. So the tolerable level of melamine shouldn't be seen as a safe level.
研究方法和对象：晚期的SCCHN患者，并且能耐受标准的化疗，而且至少有一次疗效评价和能耐受的肿瘤负荷。
Patients and Methods: Patients with advanced SCCHN who were refractory to standard therapies and who had at least one assessable and accessible lesion were enrolled.
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