Objective:To study the relationship between T staging, length(L) of tumor, cell differentiation(D) and regional lymph nodes metastasis.

目的：探讨胸段食管癌的T分期、细胞分化程度及肿瘤长度与区域淋巴结转移的关系。

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In this case, no single T cell is chosen as a winner. Instead, a separate winner for each strain is picked in each affected lymph node before immunodominance can come into play.

这样，就不会只有唯一一种获胜的T细胞，取而代之的是针对不同病原体的不同T细胞，它们将会在显性免疫出现之前被挑选出来进入受累的淋巴结。

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Potentially misleading pathologic features in our series of extracavitary PEL included classic Hodgkin lymphoma-like features, lymph node sinus involvement, and T-cell antigen expression.

在腔外PEL的病例中存在一些可能导致误诊的病理特征包括经典型霍奇金淋巴瘤样特征，淋巴结窦受累和T细胞抗原的表达。

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Potentially misleading pathologic features in our series of extracavitary PEL included classic Hodgkin lymphoma-like features, lymph node sinus involvement, and T-cell antigen expression.

在腔外PEL的病例中存在一些可能导致误诊的病理特征包括经典型霍奇金淋巴瘤样特征，淋巴结窦受累和T细胞抗原的表达。

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