815
In contrast, out of 59 patients whose PBMCs showed an increase in their PHA -induced proliferation within the first 12 months after surgery, only one (2%) presented with disease progression .
 ( cell type: PBMCs, None) , ( protein: PHA, 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:
 ( cell type: PBMCs, None) , ( protein: PHA, None) 