Moreover, high LAG-3 expression has been found in an extensive range of tumors including NSCLC, gastric cancer, colorectal cancer, breast cancer, ovarian cancer, HCC, RCC, FL, HNSCC, prostate cancer, pancreatic cancer, anal squamous cell carcinoma, and malignant pleural mesothelioma [40,41,42,43,44,45,58,59,60,61,62,63,64]. The gene discussed is LAG3; the disease is breast carcinoma.