What would you recommend for a stage I diffuse large B cell lymphoma (IPI 0-1) involving a single lymph node that is completely removed with an excisional biopsy?

Some more info woud be helpful such as age of pt, size and location of node, margins of resection. In general 6 cycles of RCHOP is prefered with RT in almost all instances. 3 cycles is reserved for the most favorable patients. I would add ISRT adhering to recent guidelines from Intl Lymphoma Radiati...