phenotypic subpopulations of tumour-infiltrating lymphocytes ( til ) separated from human oesophageal cancer tissues were defined by quantitative two-colour analysis with flow-cytometry ( facscan ) , and their characteristics were investigated by comparison with peripheral blood lymphocytes ( pbl ) and intra-oesophageal lymphocytes from noncancerous tissue ( iel ) as the controls .
C0079722
tumour-infiltrating lymphocytes
C0024296
lymphocytes