In patients with concomitantly diagnosed stage IV DLBCL and gastric MALT lymphoma who have residual gastric MALT after 6 cycles of Pola-R-CHP, would you alter the standard dose/fractionation for ISRT for the gastric MALT lymphoma?

Chemoimmunotherapy, while potentially curable for aggressive non-Hodgkin lymphomas such as DLBCL, is not generally considered a curative treatment for low-grade histologies, such as follicular and marginal zone lymphoma. After completing appropriate therapy for the more aggressive histology (DLBCL),...

I would treat with 24 Gy.