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Three-dimensional conformal radiotherapy

Daniel Fass
From: Science & Medicine: Volume 5 Number 4: Page 6 (August 1998)

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Abstract: Failure to achieve local-regional control of cancer increases the likelihood of metastasis and decrease the survival rate. At some sites, conventional radiation therapy does not deliver doses that are adequate to ensure local control because of adjacent radio-sensitive normal tissues. Conformal irradiation, which has developed from three-dimensional imaging and treatment planning technologies, is a computerized mehtod that conforms radiation beams to the tumor volume and accounts for variations in tissue density and for the scattering of radiation dose.

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