Flow cytometry data on light scanter pattern ( FSC v. SSC) showed clearly three separate cell populations: 1) large cell with high granularity, 2) medium cell with medium granularity and 3) small cell with low granularity. 流式细胞术(FSCv.SSC)显示三群细胞被清楚地分开:1)颗粒度高的大细胞,2)中等颗粒度的中等大小细胞,3)颗粒度低的小细胞。