Making Good Results Even Better: The Evolving Role of Radiotherapy in ... Cancer Network Two phase III studies addressed the role of RT in the management of stage I and II DLBCL in the pre-rituximab (Rituxan) era. The SWOG study[1] compared 3 cycles of CHOP followed by involved field RT vs 8 cycles of CHOP alone. The ECOG study[2] ... |