Polatuzumab Vedotin Plus Rituximab, Gemcitabine, and Oxaliplatin in Relapsed or Refractory Diffuse Large B-Cell Lymphoma: Results From the Phase III, Randomized POLARGO Trial. - Matasar M; Li Z; Vassilakopoulos TP; Sancho JM; Viardot A; McMillan A; Dal MS; Pereira J; Kim JS; Qiu L; Batlevi CL; Ibrahim R; et al. (Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2026)