CD4 and oropharynx squamous cell carcinoma: Unexpectedly, we observed that tumors with increased LLT1+ lymphocyte infiltration had a higher absolute count of CD3+ T cells as well as CD3+ CD4+ T cells (p = 0.0002 and p = 0.0118; Figure 4B), which was consistent with a previous study on oropharyngeal squamous cell carcinoma [23].