CD16low/negative Tumor-Infiltrating Lymphocyte: Lymphoid or Myeloid in Origin?

To the Editors: Although tumor-infiltrating lymphocytes (TIL) are predominantly composed of T lymphocytes, other immune cells also occur within the tumor and may be important in tumor control. We therefore read with interest the study of Schleypen et al. ([1][1]) who identified a proportion of TIL