1054 / 1708
COG RT Guidelines for Metastasis
Disease site
RT Field
RT Dose
Liver
Involved portion + 2 cm
margin
1980 cGy/11 fx
Lung, age > 18mos Bilateral lung
1200 cGy/8 fx
Lung, age < 18 mos Bilateral lung if no
response to chemo
900 cGy/ 6 fx
Lymph nodes (Gross
tumor, not resected)
Involved nodes
1980 cGy/ 11 fx
Brain
Whole brain +/- boost
2160 cGy/ 17 fx (WB)
1080 cGy/6 fx (boost) if < 16 yrs
3060 cGy/ 17 fx (WB, if > 16 yrs)
Bone
Lesion + 3 cm margin 2520 cGy/14 fx (< 16 yrs)
3060 cGy/17 fx (> 16 yrs)