CD4 and leiomyosarcoma: A study involved 47 leiomyosarcomas revealed an average number of 10.5 CD4+ TILs and 16.1 CD8+ TILs per high power filed (CD4 33.87/mm2, CD8 51.93/mm2) [42], which is lower than the average number in MBC with mesenchymal elements (CD4 209.99 ± 140.10/mm2, CD8 83.34 ± 78.09/mm2).