2016 Hematological Malignancies

How would you treat this patient? A. IFRT to 40 Gy B. Rituximab + ISRT to 30 Gy C. 3 x R-COP + ISRT to 30 Gy D. 3 x R-CHOP + ISRT to 30 Gy E. 6 x R-CHOP IFRT to 40 Gy Rituximab + ISRT to 3... 3 x R-COP + ISRT to 30 Gy 3 x R-CHOP + ISRT to .. 6 x R-CHOP 20%20% 20% 20% 20%