Assertion: tonsil's lymphocyte | /r/AtLocation | the tumour centre
Facets:
Source sentences:
text: That the sparse and scattered CD8+ lymphocytes located in the tumour centre had lower levels of TIGIT (and PD-1) as compared to the densely clustered CD8+ lymphocytes at the invasive margin would again be consistent with the concept of compensatory upregulation of TIGIT and PD-1 in excessive inflammatory reactions.