3419
ISH for EBV -encoded small non-polyadenylated RNAs showed that all cases, whether NK or T, harboured EBV in virtually all tumour cells .
 ( RNA: EBV -encoded small non-polyadenylated RNAs, None) , ( cell type: tumour cells, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( RNA: EBV -encoded small non-polyadenylated RNAs, None) , ( cell type: tumour cells, None) 