5694
We propose that cytolytic effector and related proteins produced by putative NK and some CD8 + CD56 + postthymic T - cell lymphomas , probably in conjunction with other mechanisms , may effect massive tumor cell apoptosis .
 NK, CD8 + CD56 + postthymic T - cell lymphomas, tumor cell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
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Answer:
 NK, CD8 + CD56 + postthymic T - cell lymphomas, tumor cell