657 NT-I7, a long-acting IL-7, plus pembrolizumab favors CD8 T-cell infiltration in liver metastases of heavily pre-treated, immunologically cold, MSS-colorectal and pancreatic cancer
657 NT-I7, a long-acting IL-7, plus pembrolizumab favors CD8 T-cell infiltration in liver metastases of heavily pre-treated, immunologically cold, MSS-colorectal and pancreatic cancer