EBRO 2017

GITSG 7175 (1975-1980)

Treatment

n Local recurrence 5-year OS

Surgery alone

58

24%

36%

Post-op RT

50

27%

46%

Post-op chemo

48

20%

46%

Post-op chemo-RT 46

11%

56%

p = 0.009

p = 0.07

Gastrointestinal Tumor Study Group. N Engl J Med. 1985;312(23):1465-72