Vikren Sarkar, PhD

Languages

  • English
  • French

Academic Information

  • Departments: Radiation Oncology - Associate Professor

Academic Office Information

  • 801-581-8793
  • Huntsman Cancer Hospital
    Radiation Oncology
    1950 Circle of Hope, Room: 1570
    Salt Lake City, UT 84112

Academic Bio

Vikren Sarkar, PhD, is a tenured associate professor in the Department of Radiation Oncology at the University of Utah and a medical physicist at Huntsman Cancer Hospital (HCH). Dr. Sarkar earned a B.A. from Colorado College and a B.S. degree from Columbia University. He received his Ph.D. in medical physics from the University of Texas Health Sciences Center at San Antonio, Texas. Dr. Sarkar is an active member of the American Association of Physicists in Medicine (AAPM), and the American Society for Therapeutic Radiology and Oncology (ASTRO). Dr. Sarkar’s clinical and research interests include low-dose image-guided radiotherapy (IGRT), radiosurgery (SRS), stereotactic body radiation therapy (SBRT), volumetric arc therapy and adaptive radiotherapy. He is the lead medical physicist for SRS/SBRT, Total Body Irradiation (TBI) and Total Skin Electron (TSE) treatments.

Education History

Type School Degree
Postdoctoral Fellowship University of Utah
Medical Physics
Postdoctoral Fellow
Doctoral Training University of Texas Health Science Center
Medical Physics (Therapy track)
Ph.D.
Undergraduate Columbia University
Biomedical Engineering, Imaging track, Magna Cum Laude
B.S.
Undergraduate Colorado College
Physics, Summa Cum Laude
B.A.

Selected Publications

Journal Article

  1. Zhao H, Williams N, Poppe M, Sarkar V, Wang B, Rassiah-Szegedi P, Huang YJ, Kokeny K, Gaffney D, Salter B (2019). Comparison of surface guidance and target matching for image-guided accelerated partial breast irradiation (APBI). Med Phys, 46(11), 4717-4724.
  2. Sarkar V, Paxton A, Kunz J, Szegedi M, Nelson G, Rassiah-Szegedi P, Zhao H, Huang YJ, Su F, Salter BJ (2019). A systematic evaluation of the error detection abilities of a new diode transmission detector. J Appl Clin Med Phys, 20(9), 122-132.
  3. Zhao H, Sarkar V, Wang B, Rassiah-Szegedi P, Szegedi M, Jessica Huang Y, Huang L, Tward J, Salter B (2019). Calculation of delivered composite dose from Calypso tracking data for prostate cancer: And subsequent evaluation of reasonable treatment interruption tolerance limits. J Appl Clin Med Phys, 20(8), 105-113.
  4. Nelson G, Pigrish V, Sarkar V, Su FC, Salter B (2019). Technical Note: The use of DirectDensityTM and dual-energy CT in the radiation oncology clinic. J Appl Clin Med Phys, 20(3), 125-131.
  5. Sarkar V, Lloyd S, Paxton A, Huang L, Su FC, Tao R, Tward J, Zhao H, Salter B (2019). Daily breathing inconsistency in pancreas SBRT: a 4DCT study. J Gastrointest Oncol, 9(6), 989-995.
  6. Salter BJ, Szegedi M, Boehm C, Sarkar V, Rassiah-Szegedi P, Wang B, Zhao H, Huang J, Huang L, Kokeny K, Tward JD (2017). Comparison of 2 transabdominal ultrasound image guidance techniques for prostate and prostatic fossa radiation therapy. Pract Radiat Oncol, 7(2), e99-e107.
  7. Gonzalez VJ, Hullett CR, Burt L, Rassiah-Szegedi P, Sarkar V, Tward JD, Hazard LJ, Huang YJ, Salter BJ, Gaffney DK (2017). Impact of prone versus supine positioning on small bowel dose with pelvic intensity modulated radiation therapy. Adv Radiat Oncol, 2(2), 235-243.
  8. Ahmed F, Sarkar V, Gaffney DK, Salter B, Poppe MM (2016). Analysis of nodal coverage utilizing image guided radiation therapy for primary gynecologic tumor volumes. Med Dosim, 41(3), 195-8.
  9. Ganesan K, Lloyd S, Sarkar V (2016). Discovering Related Clinical Concepts Using Large Amounts of Clinical Notes. 7(Suppl 2), 27-33.
  10. Zhao H, Wang B, Sarkar V, Rassiah-Szegedi P, Huang YJ, Szegedi M, Huang L, Gonzalez V, Salter B (2016). Comparison of surface matching and target matching for image-guided pelvic radiation therapy for both supine and prone patient positions. J Appl Clin Med Phys, 17(3), 14-24.
  11. Zhao H, Wang B, Sarkar V, Rassiah-Szegedi P, Huang YJ, Szegedi M, Huang L, Gonzalez V, Salter B (2016). Comparison of surface matching and target matching for image-guided pelvic radiation therapy for both supine and prone patient positions. J Appl Clin Med Phys, 17(3), 14-24.
  12. Huang YJ, Harrison A, Sarkar V, Rassiah-Szegedi P, Zhao H, Szegedi M, Huang L, Wilson B, Gaffney DK, Salter BJ (2016). Detection of late radiation damage on left atrial fibrosis using cardiac late gadolinium enhancement magnetic resonance imaging. Adv Radiat Oncol, 1(2), 106-114.
  13. Saenz D, Roring J, Cruz W, Sarkar V, Papanikolaou N, Stathakis S (11/24/2015). Commissioning and cross-comparison of four scanning water tanks (in Press). Int J Canc Ther Oncol.
  14. Sarkar V, Huang L, Rassiah-Szegedi P, Zhao H, Huang J, Szegedi M, Salter BJ (2015). Planning for mARC treatments with the Eclipse treatment planning system. J Appl Clin Med Phys, 16(2), 5351.
  15. Sarkar V, Wang B, Zhao H, Lynch B, James JA, McCullough KT, Salter BJ (2015). Percent depth-dose distribution discrepancies from very small volume ion chambers. J Appl Clin Med Phys, 16(2), 5230.
  16. Rassiah-Szegedi P, Szegedi M, Sarkar V, Streitmatter S, Huang YJ, Zhao H, Salter B (2014). Dosimetric impact of the 160 MLC on head and neck IMRT treatments. J Appl Clin Med Phys, 15(6), 4770.
  17. Szegedi M, Hinkle J, Rassiah P, Sarkar V, Wang B, Joshi S, Salter B (2013). Four-dimensional tissue deformation reconstruction (4D TDR) validation using a real tissue phantom. J Appl Clin Med Phys, 14(1), 4012.
  18. Szegedi M, Rassiah-Szegedi P, Sarkar V, Hinkle J, Wang B, Huang YH, Zhao H, Joshi S, Salter BJ (2012). Tissue characterization using a phantom to validate four-dimensional tissue deformation. Med Phys, 39(10), 6065-70.
  19. Wang B, Sarkar V, Busselberg C, Rassiah-Szegedi P, Zhao H, Huang Y, Szegedi M, Salter B (2017). SU-E-T-404: A Prototype Program for Analyzing 4D Image Guidance Shifts for Lung SBRT. Med Phys, 39(6Part16), 3797.
  20. Zhao H, Wang B, Rassiah-Szegedi P, Sarkar V, Huang Y, Szegedi M, Gonzalez V, Salter B (2017). SU-E-J-60: Comparison of CT-On-Rails and a 3D Surface Imaging System for Image Guided Pelvic Radiation Therapy for Both Supine and Prone Patient Positions. Med Phys, 39(6Part6), 3666.
  21. Sarkar V, Wang B, Hinkle J, Gonzalez VJ, Hitchcock YJ, Rassiah-Szegedi P, Joshi S, Salter BJ (2012). Dosimetric evaluation of a "virtual" image-guidance alternative to explicit 6 degree of freedom robotic couch correction. Pract Radiat Oncol, 2(2), 122-37.
  22. Szegedi M, Sarkar V, Rassiah-Szegedi P, Wang B, Huang YJ, Zhao H, Salter B (2012). 4D CT image acquisition errors in SBRT of liver identified using correlation. J Appl Clin Med Phys, 13(1), 3564.
  23. Rassiah-Szegedi P, Wang B, Szegedi M, Tward J, Zhao H, Huang YJ, Sarkar V, Shrieve D, Salter B (2011). Individualized margins for prostate patients using a wireless localization and tracking system. J Appl Clin Med Phys, 12(3), 3516.
  24. Salter BJ, Sarkar V, Wang B, Shukla H, Szegedi M, Rassiah-Szegedi P (2011). Rotational IMRT delivery using a digital linear accelerator in very high dose rate 'burst mode'. Phys Med Biol, 56(7), 1931-46.
  25. Sarkar V, Shi C, Papanikolaou N (2011). DART, a platform for the creation and registration of cone beam digital tomosynthesis datasets. Australas Phys Eng Sci Med, 34(1), 5-13.
  26. Salter BJ, Sarkar V, Wang B, Shukla H, Szegedi M, Rassiah-Szegedi P (2011). Rotational IMRT delivery using a digital linear accelerator in very high dose rate 'burst mode'. Phys Med Biol, 56(7), 1931-1946.
  27. Wang B, Rassiah-Szegedi P, Zhao H, Huang YJ, Sarkar V, Szegedi M, Kokeny KE, Anker CJ, Shrieve DC, Salter BJ (2011). Initial experience and clinical comparison of two image guidance methods for SBRT treatment: 4DCT versus respiratory-triggered imaging. J Appl Clin Med Phys, 12(3), 3429.
  28. Sarkar V, Gutierrez AN, Stathakis S, Swanson GP, Papanikolaou N (2009). A virtual fluoroscopy system to verify seed positioning accuracy during prostate permanent seed implants. J BUON, 14(3), 447-50.
  29. Sarkar V, Shi C, Rassiah-Szegedi P, Diaz A, Eng T, Papanikolaou N (2009). The effect of a limited number of projections and reconstruction algorithms on the image quality of megavoltage digital tomosynthesis. J Appl Clin Med Phys, 10(3), 2970.
  30. Salter BJ, Fuss M, Sarkar V, Wang B, Rassiah-Szegedi P, Papanikolaou N, Hollingshaus S, Shrieve DC (2009). Optimization of isocenter location for intensity modulated stereotactic treatment of small intracranial targets. Int J Radiat Oncol Biol Phys, 73(2), 546-55.
  31. Sarkar V, Shi C, Rassiah-Szegedi P, Eng T, Diaz A, Papanikolaou N (2009). A feasibility study on the use of digital tomosynthesis with individually-acquired megavoltage portal images for target localization. J BUON, 14(1), 103-8.
  32. Rizvi AA, Quraishi MI, Sarkar V, DuBois C, Biro S, Mulhall J (2009). The effect of pH and viscosity on bovine spermatozoa motility under controlled conditions. Int Urol Nephrol, 41(3), 523-30.
  33. Sarkar V, Stathakis S, Papanikolaou N (2008). A Monte Carlo model for independent dose verification in serial tomotherapy. Technol Cancer Res Treat, 7(5), 385-92.
  34. Sarkar V, Lin L, Shi C, Papanikolaou N (2007). Quality assurance of the multileaf collimator with helical tomotherapy: design and implementation. Med Phys, 34(7), 2949-56.

Book Chapter

  1. Salter BJ, Wang B, Sarkar V (08/01/2014). Stereotactic Treatment Planning. In Benedict SH, Schlesinger DJ, Goetsch SJ, Kavanagh BD (Eds.), Stereotactic Radiosurgery and Stereotactic Body Radiation Therapy (1, pp. 233-264). New York: Taylor and Francis Books, Inc.

Conference Proceedings

  1. V Sarkar, S Stathakis, C Shi, P Rassiah, C Eller, C Esquivel, N Papanikolaou (06/04/2007). A Monte Carlo based independent dose verification platform for serial tomotherapy. In DA Jaffray, M Sharpe, J Van Dyk, J Bissonnette (Eds.), XVth International Conference on the Use of Computers in Radiation Therapy, Toronto, Canada: ICCR, 1, 303-307.

Abstract

  1. Sarkar V, Huang L, Huang Y, Szegedi M, Rassiah-Szegedi P, Zhao H, Salter B (7/14/15). A Head to Head Comparison of Two Commercial Phantoms Used for SRS QA [Abstract]. Med Phys, 42(6), 3339.
  2. Rassiah-Szegedi P, Szegedi M, Sarkar V, Zhao H, Huang Y, Huang L, Salter B (7/14/15). Characterization of Efficiency and Plan Quality for the FFF Beams On Various Anatomical Sites [Abstract]. Med Phys, 42(6), 3370.
  3. Huang Y, Tward J, Rassiah-Szegedi P, Zhao H, Sarkar V, Huang L, Szegedi M, Kokeny K, Salter B (7/14/15). Feasibility of MRI-Based Preplan On Low Dose Rate Prostate Brachytherapy [Abstract]. Med Phys, 42(6), 3319.
  4. Sarkar V, Huang L, Suneja G, Rassiah P, Huang J, Zhao H, Szegedi M, Jensen R, Shrieve D, Salter B (4/25/15). Hybrid Modulated Arc Therapy for treatment of Cavernous Sinus Lesions [Abstract]. Journal of RadioSurgery and SBRT, 3(S1), 53.
  5. Huang L, Sarkar V, Rassiah P, Huang J, Zhao H, Szegedi M, Hitchcock Y, Salter B (4/25/15). Exploring the impact of leaf width on VMAT treatment of spine SBRT [Abstract]. Journal of RadioSurgery and SBRT, 3(S1), 48.
  6. Huang L, Sarkar V, Suneja G, Rassiah P, Huang J, Zhao H, Szegedi M, Jensen R, Shrieve D, Salter B (4/25/15). Leaf width effect on VMAT for stereotactic radiosurgery (SRS) of cavernous sinus [Abstract]. Journal of RadioSurgery and SBRT, 3(S1), 53.
  7. Szegedi M, Zhao H, Rassiah P, Sarkar V, Huang J, Huang L, Tward J, Kokeny K, Salter BJ (4/1/2015). Clinical Comparison of 2D Transabdominal and 3D Transperineal Ultrasound Image Guidance Methods for Prostate RT [Abstract]. Radiotherapy and Oncology, 115, S494.
  8. Salter BJ, Szegedi M, Tward J, Zhao H, Sarkar V, Rassiah P, Huang L, Huang J (4/1/2015). 3D Transperineal Ultrasound Image Guidance Methods for Prostate SBRT Radiotherapy Treatment [Abstract]. Radiotherapy and Oncology, 115, S460.
  9. Salter BJ, Sarkar V, Huang L, Rassiah P, Zhao H, Huang J, Szegedi MW, Gaffney DK (9/1/14). Hybrid Modulated Arc Therapy (HMAT) on an Artiste Linac [Abstract]. International Journal of Radiation Oncology • Biology • Physics, 90(Supplement 1), S941.
  10. H Zhao, V Sarkar, P Rassiah-Szegedi, Y Huang, M Szegedi, L Huang, B Salter (07/01/14). Scanned Percent Depth Dose Curve Discrepancy for Photon Beams with Physical Wedge in Place (Varian IX) Using Different Sensitive Volume Ion Chambers [Abstract]. Med Phys, 41(6), 357.
  11. L Huang, V Sarkar, S Spiessens, P Rassiah-Szegedi, Y Huang, H Zhao, M Szegedi, B Salter (07/01/14). End to End Testing of a Prototype Eclipse Module for Planning Modulated Arc Therapy On the Siemens Platform [Abstract]. Med Phys, 41(6), 344.
  12. V Sarkar, B Wang, H Zhao, B Lynch, J James, K McCullough, P Rassiah-Szegedi, Y Huang, M Szegedi, L Huang, B Salter (07/01/2014). PDD Discrepancies at Opposite Biases From Very Small Volume Ion Chambers When Using Water Scanners [Abstract]. Med Phys, 41(6), 548-549.
  13. Huang J, Anker C, Sarkar V, Rassiah-Szegedi P, Zhao H, Szegedi M, Huang L, Salter BJ (3/1/2014). Skin Lesion Treatment Using High-Dose-Rate Brachytherapy with HAM Applicator: EQD2Gy Comparison with Electron Beam Radiotherapy [Abstract]. Brachytherapy, 13(Supplement 1), S45-S46.
  14. Zhao H, Wang B, Rassiah-Szegedi P, Huang Y, Sarkar V, Szegedi M, Salter BJ (7/1/13). Scanned Percent Depth Dose Curve Discrepancy for Varian TrueBeam Flattening-Filter-Free Photon Beams Using Very Small Sensitive Volume Ion Chamber [Abstract]. Med Phys, 40(6), 237.
  15. Salter BJ, Szegedi M, Wang B, Rassiah-Szegedi P, Zhao H, Huang J, Sarkar V, Tward J (7/1/13). Presentation of a New Intrafractional Prostate Monitoring Method with Ultrasound Image Guidance During Radiotherapy Treatment [Abstract]. Med Phys, 40(6), 375.
  16. Wang B, Sarkar V, Rassiah-Szegedi P, Zhao H, Huang Y, Szegedi M, Shrieve T, Tward JT, Salter BJ (7/1/13). Direct Clinical Comparison of 2D Versus 3D Transabdominal Ultrasound Image Guidance Methods for Prostate Radiotherapy Treatment [Abstract]. Med Phys, 40(6), 375.
  17. Wang B, Sarkar V, Anker CJ, Streitmatter S, Rassiah-Szegedi P, Zhao H, Huang JH, Szegedi M, Salter BJ (10/28/2012). Ultrasound Image Guidance For Abdominal Tumor [Abstract].
  18. Sarkar V, Wang B, Rassiah-Szegedi P, Zhao H, Huang JY, Szegedi MW, Hitchcock YJ, Kokeny KE, Salter BJ (10/28/2012). Dosimetric Implications Of Abdominal Compression For Lung SBRT Treatment [Abstract].
  19. Hullett CR, Gonzalez, VJ, Burt L, Rassiah-Szegedi P, Sarkar V, Tward JD, Hazard LJ, Huang YJ, Salter BJ, Gaffney DK (10/28/2012). Impact of BMI on daily setup variation with pelvic radiotherapy: Is prone positioning a "class solution"? [Abstract].
  20. Wang B, Sarkar V, Busselberg C, Rassiah-Szegedi P, Zhao H, Huang Y, Szegedi M, Salter BJ (2012). A Prototype Program for Analyzing 4D Image Guidance Shifts for Lung SBRT [Abstract]. Med Phys, 39(6).
  21. Zhao H, Wang B, Rassiah-Szegedi P, Sarkar V, Huang Y, Szegedi M, Gonzalez V, Salter BJ (2012). Comparison of CT-On-Rails and a 3D Surface Imaging System for Image Guided Pelvic Radiation Therapy for Both Supine and Prone Patient Positions [Abstract]. Med Phys, 39(6).
  22. Hitchcock YJ, Sarkar V, Salter B, Shrieve DC (2011). CT On-Rails (CTOR) Characterization of Tumor Volume Rate-of-Reduction in Head Neck Squamous Cell Carcinoma Treated with IMRT Simultaneous Integrated Boost (IMRT-SIB) and Concurrent Chemotherapy [Abstract].
  23. Huang Y, Rassiah-Szegedi P, Wang B, Zhao H, Sarkar V, Szegedi M, Gaffney D, Salter BJ (2011). The Feasibility of Image-Guided MRI Pre-plan on HDR Syed Implants: A Case Study [Abstract].
  24. Wang B, Sadinski M, Sarkar V, Ruhnau S, Szegedi M, Anker C, Rassiah-Szegedi P, Zhao H, Huang Y, Salter BJ (July 2011). A Case Study of More Accurate Phase Re-Assignment for 4DCT Images [Abstract]. Med Phys, 38(6), 3553.
  25. Zhao H, Wang B, Rassiah-Szegedi P, Huang Y, Sarkar V, Szegedi M, Sadinski M, Kokeny K, Poppe M, Salter BJ (06/2011). Comparison of CT-On-Rails and 3D Surface Imaging System for Image Guided Partial Breast Radiation Therapy [Abstract]. Med Phys, 38(6), 3610.
  26. Wang B, Sarkar V, Rassiah-Szegedi P, Zhao H, Huang Y, Szegedi M, Shrieve DC, Salter BJ (2011). Evaluation of a novel combined-mode planning and delivery method for challenging stereotactic radiosurgery cases, The 10th Biennial Congress and Exhibition of International Stereotactic Radiosurgery Society [Abstract].
  27. Salter BJ, Wang B, Ruhnau S, Hinkle J, Joshi S, Sarkar V, Sadinski M, Hitchcock YJ, Kokeny KE, Shrieve DC (2011). Validation of Internal Target Volume (ITV) Consistency using 4DCT for Lung SBRT Treatments [Abstract].
  28. Salter BJ, Sarkar V, Wang B, Szegedi M, Rassiah-Szegedi P, Zhao H, Huang Y (10/31/2010). Presentation And Evaluation Of A Novel, Combined-mode Intensity-modulated-arc / Static-gantry-IMRT Planning And Delivery Method [Abstract].
  29. Wang B, Rassiah-Szegedi P, Zhao H, Huang Y, Sarkar V, Szegedi M, Jensen RL, Shrieve DC, Salter BJ (10/31/2010). Evaluation of Intrafractional Motion for Frameless Intracranial Treatments [Abstract].
  30. Rassiah-Szegedi P, Sarkar V, Wang B, Zhao H, Huang Y, Szegedi M, Salter BJ (10/31/2010). Treatment Planning Evaluation of a Novel Combined-Mode Intensity Modulated Arc / Static Gantry IMRT Delivery Approach for Hypo-Fractionated Treatment (SBRT/SRS) [Abstract].
  31. Zhao H, Wang B, Rassiah-Szegedi P, Huang Y, Sarkar V, Szegedi M, Salter BJ (July 2010). Comparison of Intrafractional Motion Between Supine and Prone Patient Positions During Radiation Therapy of Pelvic Malignancies Using a 3D Surface Imaging System [Abstract]. Med Phys, 37(6).
  32. Sarkar V, Rassiah-Szegedi P, Szegedi M, Wang B, Zhao H, Huang Y, Shukla H, Salter BJ (July 2010). Rotational IMRT Delivery Using a Siemens Artiste in Flattening-Filter-Free, High Dose-Rate Mode [Abstract]. Med Phys, 37(6).
  33. Salter B, Sarkar V, Ruhnau S, Rassiah-Szegedi P, Huang Y, Zhao H, Wang B, Szegedi M (July 2010). Increasing the Delivery Efficiency of IMRT DAO-Based Plans Through Segment Reordering [Abstract].
  34. Rassiah-Szegedi P, Szegedi M, Sarkar V, Zhao H, Wang B, Huang Y, Salter BJ (July 2010). Accuracy of the Collapsed Convolution Superposition Algorithm Without a Flattening Filter [Abstract]. Med Phys, 37(6).
  35. Sarkar V, Wang B, Rassiah-Szegedi P, Szegedi M, Huang Y, Zhao H, Salter BJ (July 2010). Impact of Varying the Number of Projection Images Used in Digital Tomosynthesis On the Effective Slice Thickness of the Tomograms [Abstract]. Med Phys, 37(6).
  36. Rassiah-Szegedi P, Szegedi M, Wang B, Sarkar V, Zhao H, Huang J, Salter B (2009). Characterization of Dosimetry and Efficiency with the Unflat 6MV Beam for 160 Leaf IMRT [Abstract].
  37. Sarkar V, Shi C, Papanikolaou N (2009). The effect of reconstruction algorithm and number of projection images used as input data on the final quality of megavoltage digital tomosynthesis datasets [Abstract].
  38. Sarkar V, Shi C, N Papanikolaou N (2008). The Effect of Number of Projections On the Accuracy of Volumetric Data Reconstructed Using Digital Tomosynthesis [Abstract].
  39. Sarkar V, Gutierrez A, Stathakis S, Swanson G, Papanikolaou N (2008). A Graphical User Interface for Virtual Fluoroscopy to Aid in Prostate Seed Implant Verification [Abstract].
  40. Salter B, Fuss M, Sarkar V, Wang B, Hollingshaus S, Papanikolaou N, Tobler M, Shrieve D (2008). Optimization of Isocenter Location for Intensity Modulated Stereotactic Treatment of Intracranial Targets [Abstract].
  41. Swanson G, Shi C, Mavroidis P, Stathakis S, Su F, Ramer R, Sarkar V, Ferreira B, Komisopoulos G, Giantsoudi D, Papanikolaou N (2008). Radiobiologically Quantified Treatment Setup Uncertainty Based on Megavoltage (MV) CT Imaging [Abstract].
  42. Sarkar V, Shi C, Rassiah P, Stathakis S, Papanikolaou N (2007). A study using a CCD-based electronic portal imaging device for digital tomosynthesis [Abstract].
  43. Stathakis S, Sarkar V, Rassiah-Szegedi P, Mavroidis P, Papanikolaou N (2007). Monte Carlo Based Dose Verification for Serial Tomotherapy [Abstract].