tokens: In an effort to better understand the biology of this tumor additional immunohistochemical studies for the protein product of p53 tumor suppressor gene and estrogen receptor expression by tumor cells , as well as the type of immune cells infiltrating the tumor were performed .
folded_tokens: in an effort to better understand the biology of this tumor additional immunohistochemical studies for the protein product of p53 tumor suppressor gene and estrogen receptor expression by tumor cells , as well as the type of immune cells infiltrating the tumor were performed .
labels: O O O O O O O O O O B-tissue O B-other_name I-other_name O O B-protein_family_or_group I-protein_family_or_group O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-protein_family_or_group I-protein_family_or_group O O B-cell_type I-cell_type O O O O O O O B-cell_type I-cell_type O O B-tissue O O O