1·It is typically reserved for patients who have contraindications to CT with iodinated contrast, for detailed assessment of mediastinal pathology, and for posterior fossa brain metastases.
这种检查适用于CT禁忌症、需要对纵膈病变详细评估，以及判断大脑颅后窝是否有转移的患者。
2·The system is based on the spread of the primary tumor (t), the extent of lymph node involvement (n), and the presence or absence of metastases (m).
系统包括三个部分：原发肿瘤的扩散程度(t)；淋巴结的转移程度(N)和是否有了其他器官的转移(M)。
3·Metastases are the major cause of death from cancer.
转移是癌症致死的主要原因。
4·KIT expression was associated with advanced disease and with decreased incidence of bone metastases.
KIT的表达情况与疾病晚期和减少骨转移的发病率有关。
5·Objective To explore the diagnostic value of NSE in the serum of patients with brain metastases.
目的监测血清nse的动态变化对脑转移瘤的诊断及预后的临床意义。