肠系膜肿瘤细胞沉积是否应该纳入到小肠高分化神经内分泌肿瘤的分期？
Should mesenteric tumor deposits be included in staging of well-differentiated small intestine neuroendocrine tumors?
肺癌的分期就是非常有效的评估工具，其中包括了对肿瘤恶性程度的判别，淋巴结是否转移以及是否已经转移扩散至其他器官。
Lung cancer staging is a validated tool that involves careful identification of the tumor, lymph node involvement, and metastatic spread.
肿瘤的范围、描述和分期主要基于影像，因为患病的区域不能通过单纯的临床体检获得完整及良好的观察。
Extent, description and staging of the tumor is based primarily on imaging as the region is inaccessible to a complete and satisfactory clinical examination.
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