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Typical isodose plan of lateral opposing field (A), 3-field technique (B), rotational technique (C), multiportal irradiation (D) for a case of non-functioning pituitary adenoma. The lesion dose is 4500 cGy/25 fractions and isodose lines corresponding to 30%, 50%, 80%, 85%, 90%, 95%, 100% of the target dose are shown.
