Similarly, a range of RT doses, combined with anti-CTLA-4, have led to reduced primary tumor growth of the irradiated tumor, including 12–20 Gy × 1, 12 Gy × 2, 8 Gy × 3, and 6 Gy × 5; however, only the fractionated regimens also led to abscopal effects [16,17,18]. Here, CTLA4 is linked to neoplasm.