“…In a multi‐center study of 138 patients, Todeschini et al 21 used IFRT in initial treatment and showed that this approach significantly improved outcome regardless of the type of chemotherapy (5‐year EFS approximately 92% with IFRT, 78% without IFRT). Similarly, several multinational, retrospective reviews showed that among patients who achieved a PR after induction chemotherapy, RT was able to produce a CR in the majority 23, 24, 33.In Mazzarotto's study 42% of patients were in CR after the chemotherapy and 95% after the addition of IFRT, at a mean dose of 36Gy in 22 fractions. The 5‐year DFS and OS were 93% and 87% respectively 24.…”