Table 1.

Pathological score standard of lymph node

Score	Observation indexes
1	Follicle Germinal center dilated, lymphatic sinus dilated, sinus cell hyperplasia or only lymphatic sinus dilated, sinus cell hyperplasia
2	Follicle Germinal center dilated, lymphatic sinus dilated, sinus cell hyperplasia, spotty necrosis in mantle zone and Germinal center or only lymphatic sinus dilated, and sinus cell hyperplasia, infiltration of neutrophil, eosinophile granulocyte and plasmocyte
3	Follicle Germinal center dilated, lymphatic sinus dilated, sinus cell hyperplasia, spotty necrosis in mantle zone and Germinal center, infiltration of neutrophil, eosinophile granulocyte and plasmocyte