British Journal of Radiology (2003) 76, 850-856
© 2003 British Institute of Radiology
doi: 10.1259/bjr/19737738
Implementation of IMRT in the radiotherapy department
H A McNair, DCR(T), MSc1,
E J Adams, MSc2,
C H Clark, PhD2,
E A Miles, BSc1 and
C M Nutting, MRCP, FRCR, MD1
Departments of 1 Radiotherapy and 2 Physics, Royal Marsden NHS Trust and Institute of Cancer Research, Downs Road, Sutton, Surrey SM2 5PT and Fulham Road, London, UK

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Figure 1. Lateral simulator film showing extended head and neck position and isocentre verification field.
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Figure 2. Anterior digitally reconstructed radiograph of prostate and node planning target volume and field parameters with position of set-up point shown.
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Figure 3. Overlay of measured (----) and predicted () isodoses.
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Figure 4. Intensity-modulated radiotherapy fluence images (a) before and (b) after calibration.
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Copyright © 2003 by the British Institute of Radiology.