Yervoy Ipilimumab Injection is a prescription medicine used to treat the symptoms of skin cancer (Melanoma), Renal Cell Carcinoma, Hepatocellular Carcinoma, Non-small Cell Lung Cancer (NSCLC), Malignant Pleural Mesothelioma, and Microsatellite Instability-High or Mismatch Repair Deficient Metastatic Colorectal Cancer. Yervoy may be used alone or with other medications.