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. 2015 Jun 4;13:180. doi: 10.1186/s12967-015-0535-8

Figure 4.

Figure 4

TILs in the sections of LLABCs, using H&E staining, at ×200 magnification. a Low level of lymphocytic infiltration, b high level of lymphocytic infiltration. Low level of TILs defined as ≤60% of tumour nests and/or stromal areas infiltrated by lymphocytes. High level of TILs defined as >60% of tumour nests and/or stromal areas infiltrated by lymphocytes.