tokens: In addition , this proliferative parameter maintained its prognostic significance when the patients were stratified according to lymph node involvement , menopausal status , and nuclear estrogen receptor content .
folded_tokens: in addition , this proliferative parameter maintained its prognostic significance when the patients were stratified according to lymph node involvement , menopausal status , and nuclear estrogen receptor content .
labels: O O O O O O O O O O O O B-multi_cell O O O O B-other_name I-other_name I-other_name O B-other_name I-other_name O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O