Table 2

 Groupe d’Etude des Lymphomes de l’Adulte histological grading system for post-treatment evaluation of gastric mucosa-associated lymphoid tissue lymphoma115

ScoreLymphoid infiltrateLELStromal changes
CR, complete histological remission; LEL, lymphoepithelial lesions; LP, lamina propria; MM, muscularis mucosa; NC, no change; pMRD, probable minimal residual disease; rRD, responding residual disease; SM, submucosa.
CRAbsent or scattered plasma cells and small lymphoid cells in the LPNormal or empty LP and/or fibrosis
pMRDAggregates of lymphoid cells or lymphoid nodules in the LP/MM and/or SMEmpty LP and/or fibrosis
rRDDense, diffuse or nodular extension around glands in the LP−/+Focal empty LP and/or fibrosis
NCDense, diffuse or nodular+No changes