- Histologically or cytologically confirmed locally advanced, inoperable or metastatic solid tumors. In the two expansion cohorts, only patients with histologically or cytologically confirmed HCC, RCC, breast cancer, NSCLC and melanoma are eligible. An exception for this criterion is that patients with HCC may be enrolled without histological confirmation of disease so long as they meet the following criteria for diagnosis of HCC (and all other protocol eligibility criteria):