Tumour-infiltrating lymphocytes
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Tumour-infiltrating lymphocytes, abbreviated TILs, is the presence of many lymphoctyes between tumour cells.

Tumour-infiltrating lymphocytes. H&E stain.
TILs in the context of colorectal carcinoma are dealt with in intratumoural lymphocytic response in colorectal carcinoma.
General
Common finding in a large number of tumours:
- Colorectal carcinoma - suggestive of microsatellite instability.[1]
- Malignant melanoma.
See also
References
- ↑ Iacopetta, B.; Grieu, F.; Amanuel, B. (Dec 2010). "Microsatellite instability in colorectal cancer.". Asia Pac J Clin Oncol 6 (4): 260-9. doi:10.1111/j.1743-7563.2010.01335.x. PMID 21114775.