1. Radiation therapy (RT) is usually begun shortly after surgery (within 10 days), with the aim of eradicating tumor cells that may have spilled during surgery. The size of the field depends on the findings at surgery, but in all cases, the liver, spleen, and opposite kidney should be carefully shielded.
2. Stages III and IV favorable histology (FH) and stages II, III, and IV unfavorable histology (UH) disease require irradiation to the tumor bed at a dose of 1080 cGy as determined by the preoperative radiologic findings. The tumor bed is
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