RADIATION THERAPY ONCOLOGY GROUP

6.3.4 Bowel will be outlined on every slice, extending 2 cm above the planning target volume. It includes the volume surrounding loops of small bowel out to the edge of the peritoneum because the bowel may lie within this space at any time throughout the course of treatment. 6.3.5 The pelvic bone will be contoured as a surrogate for the bone ... ................
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