tokens: Cells isolated from the blood of patients with leukemic spread of lymphomas of low malignancy yielded a weak staining comparable to that of normal mesothelial cells from non-tumorous cavity fluids .
folded_tokens: cells isolated from the blood of patients with leukemic spread of lymphomas of low malignancy yielded a weak staining comparable to that of normal mesothelial cells from non-tumorous cavity fluids .
labels: O O O O B-tissue O B-multi_cell O B-other_name I-other_name O B-tissue O B-other_name I-other_name O O O O O O O O B-cell_type I-cell_type I-cell_type O B-tissue I-tissue I-tissue O