Table 2.

Summary of the immunohistochemical reactions of the immune checkpoints results on the tumor lymphoid cells infiltrate in the six groups of the uterine mesenchymal neoplasia

LM Leiomyoma, LMS Leiomyosarcoma, LMS—Rec Recurrent leiomyosarcoma, LMS—Met Metastatic leiomyosarcoma, ESS Endometrial stromal sarcoma, STUMP Smooth muscle tumor of uncertain malignant potential, SRC Sarcoma, Med Median, PD-L1 Programmed death-ligand 1, PD-1 Programmed cell death protein 1, CTLA-4 Cytotoxic T-lymphocyte-associated protein 4, IDO Indoleamine 2,3-dioxygenase, n + Number of positive cases, + Positive; Combined n + , at least one of the immune checkpoints is positive; Red, significant difference (p-value ≤ 0.05); Blue, borderline significant difference (0.05 < p-value < 0.1).