540 / 1726
Dose to macroscopic nodal disease
Lymph node status by CT and MRI at diagnoses and after 50 Gy
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Total node dose mean 55 Gy (43-60)
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Good response group with node size < 10 mm after 50 Gy
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Bad response group
Excellent node control
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3 recurrences in good response group, no relation with dose
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9/37 recurrences in bad response group, but none after > 58 Gy
58 to 60 Gy EBRT gives high control rates