Abstract 7504: Activity and tolerabilty of the first-in-class anti-CD47 antibody Hu5F9-G4 (5F9) with rituximab tolerated in relapsed/refractory non-Hodgkin lymphoma: Initial phase 1b/2 results. Conclusion: 5F9 + rituximab is a novel immunotherapy that inhibits a key macrophage/cancer checkpoint. It is well tolerated with no MTD reached and has promising clinical activity […]