Six cohorts of subjects with advanced cancer will be enrolled. Cohorts 1 to 3 will enroll 14 to 19 subjects per cohort. Tumor types include NSCLC (Cohort 1); gastric, esophageal and G-E junction adenocarcinoma (Cohort 2); and SCCHN (Cohort 3). Cohorts 4 to 6 will enroll up to 9 subjects per cohort. Tumor types include ovarian carcinoma (Cohort 4), renal cell carcinoma (Cohort 5), and urothelial carcinoma (Cohort 6).