恶性细胞侵犯可导致局部淋巴结病如在头颈部肿瘤的病人中，也可是全身性淋巴结病如在播散性癌转移的病人中。
Invasion by malignant cells can cause either regional lymphadenopathy, as in patients with head and neck tumors, or generalized lymphadenopathy, as in patients with disseminated carcinomatosis.
所谓被膜外播散是指癌细胞的浸润程度超出了转移淋巴结的被膜。
Methods Extracapsular spread was defined as infiltration of cancer cells beyond the capsule of the metastatic lymph node.
双侧肺内出现无数的转移病灶和淋巴管性播散。
Both lungs will have innumerable metastatic foci and lymphangitic involvement.
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