Intratumoral Tumor Infiltrating Lymphocyte

**Semantic type:** Cell

**Definition:** A tumor infiltrating lymphocyte found within a nest of tumor cells, where there is no intervening stroma. These lymphocytes have direct cell-to-cell contact with tumor cells.

**Synonyms:** - Intra Tumoral Tumor Infiltrating Lymphocyte - Intratumoral TIL - iTIL