MMP14 and testicular germ cell tumor: In the relationship between the expression of MMP14 and StromalScore, the expression of MMP14 was positively and significantly correlated with the expression of the immune matrix (p < 0.05) for BLCA, BRCA, CESC, COAD, DLBC, ESCA, GBM, HNSC, KICH, KIRC, KIRP, acute myeloid leukemia (LAML), LGG, LIHC, LUAD, LUSC, MESO, OV, PAAD, PCPG, prostate adenocarcinoma (PARD), READ, SARC, STAD, testicular germ cell tumor (TGCT), THCA, THYM, uterine corpus endometrial carcinoma (USEC), uterine carcinosarcoma (UCS), and UVM.