** PA-J-01 Mucosal dose optimization in HDR intracavity brachytherapy of nasopharyngeal Carcinoma, the NCKUH experience** - W. Tsai*, H. Leung, M. Wang, L. Chang

** PA-J-02 Analysis of source weighting for tandem and ovoids for high dose rate brachytherapy for cervical cancer **- T. P. Nair*, A. Gray*, K. Boydston

** PA-J-03 Evaluation of the water/air dose ratio along the two major axes of a high-doserate 192Ir source** - R. Muller-Runkel* and S. Cho

** PA-J-04 Brachtyx: A new PC-based treatment planning computer code for brachytherapy** - H. Giap*

** PA-J-05 Estimating the accuracy of short exposure time for a HDR unit using film dosimetry** - A. Ho* and C. Sibata

** PA-J-06 Evaluation of a vacuum-assisted seed loading apparatus for brachytherapy** - A. Ho* and C. Sibata

** PA-J-07 Withdrawn**

** PA-J-08 A comparison of radiation dose from two high dose rate brachytherapy systems** - Y. Guan*, P. Almond, A. Meigooni, G. Ibbott

** PA-J-09 An applicator for HDR brachytherapy of tracheastoma recurrences **- L. Leybovich* and E. Melian

** PA-J-10 A universal notched episcleral plaque set for brachytherapy of the intraocular tumors around optic nerve **- X. Wu*, J. Ting, C. Yang, M. Watzich, A. Markoe

PA-J-11 Dose calculation at points surrounding a vaginal cylinder - R. Baker*, J. Chiu, B. Berner, B. Teh

** PA-J-12 An automated water phantom for the precision measurement of an interstitial x-ray source** - A. Sliski*

** PA-K-01 An anatomical comparison of multileaf collimation and custom alloy blocking in the treatment of head and neck malignancies using an anthropomorphic phantom** - R. Miller*, E. McCullough, R. Foote

** PA-K-02 A dosimetric study of a match-line on different linear accelerators in the monoisocentric technique** - R. Yankelevich*, J. Wojcicka, F. Trichter, S. Lo, D. Velkley, C. Setto

** PA-K-03 A graphically intuitive approach to determining leaf positions for dynamic multileaf collimator delivery** - J. Strait *, R. Hill, B. Curran, A. Boyer, M. Carol

** PA-K-04 Comparison of two sets of physical wedges and enhanced dynamic wedge on varian 600C/D linear accelerator** - S. Goetsch* and J. Steigerwalt

** PA-K-05 Effects of heterogeneous electron densities on intracranial dose distributions obtained with a dynamic intensity modulated radiation therapy (IMRT) system** - J. Tsai*, M. Engler, M. Fagundes, T. DiPetrillo, D. Wazer

** PA-K-06 Enhanced dynamic wedge commissioning using multichamber array and film** - E. Lief*, H. Liu, E. McCullough

** PA-K-07 Design of a "Non-Jamming" blocking tray for teletherapy** - I. Brezovich*, P. Myers, C. Stewart

** PA-K-08 Moving table total body irradiation with dynamic shielding** - L. Papiez*, J. Montebello, C. DesRosiers, E. Papiez

** PA-K-09 A comparison of penumbra from different field shaping methods using target DVHs** - J. Ting*, X. Wu, C. Yang, A. Markoe

** PA-L-01 Verification of small Electron field pencil-beam calculations** - J. Sweet* and M. Huq

** PA-L-02 Calculation of depth dose in irregular electron fields** - P. Higgins* and F. Khan

P**A--L-03 Effective point of measurements of ionization chambers in electron beams **- I. Das*, S. McNeeley, C. Cheng

** PA-L-04 Comparison of different experimental methods in determination of the electron beam source position **- M. Sarfaraz*

** PA-M-01 Minimizing image coregistration error from misinterpreted user feedback** - R. Riker*, M. Carol, J. DeNisi, W. Fang

** PA-M-02 Withdrawn**

** PA-M-03 Withdrawn **

** PA-M-04 Lung compensator design using a portal imaging device** - S. Hussein* and H. Parsaei

** PA-N-01 A method to improve the effectiveness of in-vivo dosimetry programs with **diodes - R. Alecu*, J. Feldmeier, M. Alecu, W. Court, H. Murad, A. Bennish

** PA-N-02 Portal film dosimetry: An experimental and Monte Carlo study** - I. Yeo*, Y. Zhu, H. Guane

** PA-N-03 The effect of phantom size on dose measurements** - S. Zhou*, J. Chu, V. Saxena

** PA-N-04 Absolute photon dosimetry in a polystyrene phantom using V film** - C. Mayo*, M. Joyce, J. Tsai, M. Engler

** PA-N-05 Independent monitor unit calculation to verify treatment planning computer** - A. Thavendrarajah* and C. Kanellitsas

** PA-N-06 Integrated computer program for total body irradiation photon therapy** - A. Thavendrarajah*

** PA-N-07 Depth dose in the build-up region for total-body irradiation treatment with beam spoilers** - Y. Xiao*, A. Kassaee, P. Bloch

** PA-N-08 QSAT and AION for farmer chambers exposed to continuous radiation** - C. Zankowski* and E. Podgorsak

** PA-N-09 Validation of BANG gel dosimeter measurements in megavoltage photon beams** - G. Ibbot*, R. Lehmkuhl, J. Martin, A. Meigooni, M. Maryanski

** PA-N-10 Phantom-Size Dependence Of The Beam-Overlap Factor In Total Skin Electron Therapy** -Z. hen*, A. Agostinelli, R. Nath

** PA-N-11 Dosimetry and Clinical Experience with a Superficial Therapy Unit** - J. Turian*, F. Kuchnir, C. Reft, L. Chen

** PA-N-12 Commissioning of the varian enhanced dynamic wedge and implementation into existing treatment planning systems** - F. Kuchnir*, C. Reft, C. Pelizzari, J. Turian, J. Roeske, K. Farrey

** PA-N-13 Errors induced by differences in geometry between ADCL and clinical calibration set-ups for thin window chambers in low energy x-ray beams **- C. Dennett* and G. White

** PA-O-01 Record and verify as a chart supplement** - A. Jones*, J. Lo, S. Fellin, P. Vigneri

** PA-O-02 Design and implementation of an electronic patient chart in radiation therapy** - A. Jones*, J. Beinlich, K. Likso, L. Tupehong

** PA-O-03 A paperless department, then, now, and the future** - J. Ting*, X. Wu, C. Yang, C. Mirabal, M. Watzich, M. Lutgens, C. Bradley, S. Prieto, A. Markoe

** PA-O-05 Incident electron kinetic energy as a function of bending magnet current** - R. Siochi*

** PA-P-01 A fast photon source for Monte Carlo calculations in radiotherapy** - M. Fix*, H. Keller, P. Ruegsegger

** PA-P-02 3-Dimensional beam model for intensity modulation ratiotherapy** - A. Kania**, A. Bleier, M. Carol, B. Curran, T. Holmes, R. Lalonde, L. Larson, C. Rasmussen, E. Sternick

** PA-P-03 Invastigation of the changes in the output factor of wedged fields** - N. Papanikolaou*, J. Duce, J. Erb

** PA-P-04 A convolution algorithm for blocked photon fields** - R. Miller* and H. Xie

** PA-P-05 Validation and clinical implementation of the PEREGRINE Monte Carlo dose calculation system for radiation therapy planning** - C. Siantar*, P. Bergstrom, W. Chandler, L. Cox, T. Daly, J. Rathkopf, A. Schach von Wittenau

PA-P-06 Withdrawn

** PA-P-07 Study of the buildup of electron equilibrium for mono-energetic photon beams** - J. McDonough* and P. Bloch

** PA-P-08 Determination of the scatter factor parameters for mono-energetic photon beams** - J. McDonough* and P. Bloch

** PA-P-09 Lateral electronic disequilibrium factor for small fields** - B. Arjomandy* and P. Bloch

** PA-P-10 Evaluation of wedge beam profile generating model for three-dimensional dose calculations** - M. ellish and V. Krithivas*

** PA-P-11 Modified dosimetry algorithms for asymmetric x-ray fields** - B. Ahluwalia* and M. Xie

** PA-Q-01 Clinical feasibility of performing physics quality assurance procedures for radiotherapy machine **- M. Chan* and F. Yin

** PA-Q-02 Application of ISO 9000 guidelines to radiation therapy quality assurance** - S. Chungbin* and G. Ezzell

** PA-Q-03 An independent check method of computer plan derived monitor units** - R. Hill*, M. Perez, W. Beckham

** PA-Q-04 Implementation of an electronic treatment record in a radiation oncology department** - G. Cardarelli*, V. Testa, S. Soehl, D. Shearer

** PA-Q-05 Level of uncertainties of diode in vivo dosimetry in QA applications** - J. Fan*

** PA-Q-06 Software utility suite improves patient data handling** - C. Rosen*, R. Scheller, V. Raju, J. Deye

** PA-Q-07 The use of spreadsheets to perform various radiation therapy physics tasks** - J. Presser*, A. Sabbas, A. Georgiades, V. Burtman

** PA-Q-08 Clinical evaluation of a MOSFET device to quantify TBI midline dose and patient surface dose** - Q. Ncube*, T. Solberg, K. Mather, P. Medin, J. Smathers, R. Wallace, J. Demarco, L. Kobe

** PA-Q-09 CT & MR imaging fusion in stereotactic radiation treatment planning** - A. Rath*

** PA-S-01 A method for determining planning volumes that considers patient immobilization, organ motion and organ localization** - J. Strait*, T. Holmes, M. Carol

** PA-S-02 A comparative study of treatment plans for intensity modulated radiation therapy generated by 4-15 MV photons** - E. Sternick*, A. Bleier, M. Carol, B. Curran, T. Holmes, A. Kania, R. Lalonde, L. Larson

** PA-S-03 Commissioning of an intensity modulated radiation therapy (IMRT) system** - L. Larson*, A. Bleier, M. Carol, B. Curran, T. Holmes, A. Kania, R. LaLonde, E. Sternick

** PA-S-04 Measurements of SSDeff for eletron beams: Further studies** - E. Saji*, E. Yorke, J. Greig, R. Miller

** PA-S-05 Effective SSD for Elongated Electron Fields** - H. Aghdam* and E. Yorke

** PA-S-06 A comparison of the simulated annealing optimization algorithm of NOMOS treatment planning systems with the hooke and jeeves pattern searching algorithm** - C. Yang*, J. Ting, X. Wu, A. Markoe

** PA-S-07 Inverse treatment planning using variation method** - Y. Liu* and F. Yin

** PA-S-08 Performance evaluation of the Gammex CT-sim laser positioning system** - E. Johnson* and G. Ibbott

** PA-S-09 A software-tool for breast treatment planning using a CT-simulator **- C. Pan*, H. Lu, L. Chin

** PA-S-10 Virtual field projection localization in real space for treatment planning using Ct-simulators** - H. Lu* and L. Chin

** PA-S-11 Inverse treatment planning with photon beams: New analytical solutions for intensity profiles** - U. Oelfke*, T. Bortfeld, W. Schlegel

** PA-S-12 Optimization of the five-fields non-coplanar conformal therapy of prostate cancer **- A. Kapulsky*, E. Mullokandov, D. Fontenla, P. Lai, B. Vikram

** PA-T-01 Dose volume histogram (DVH) analysis of the Gamma knife radiosurgery treating Twenty Five metastatic intracranial tumors** - C. Yang, J. Ting*, X. Wu, A. Markoe

** PA-T-02 Modification of a non-scanning film densitometer for acquisition of radiation beam profiles from small circular fields** - A. Sabbas*, V. Ruiz, J. Presser, T. Lowinger, J. Wong

** PA-T-03 Dosimetric aspects of small circular fields of 10 MV photon beam** - W. Najjar*, S. Prasad, K. Parthasaradhi, W. Bloomer