Associate Professor of Oncology
Education and Experience
- Johns Hopkins University School of Medicine (Baltimore MD)/ (1991)
- University of Michigan Health System (Ann Arbor MI)/ Radiation Oncology (1996)
- Radiation Oncology, American Board of Radiology (2006)
- Radiation Oncology and Molecular Radiation Sciences
- Avon Foundation Breast Center
- Sidney Kimmel Comprehensive Cancer Center
Previous appointments include Assistant Professorship in the Department of Radiation Medicine at Georgetown University Medical Center and Vice Chairmanship of the Department of Radiation Oncology at the University of Texas at San Antonio. Dr. Zellars primary clinical and research interests are in the treatment of Breast and Gynecologic cancers. He has received several grants to perform research in the treatment of breast cancer. Presently he is enrolling patients into a partial breast irradiation and concurrent chemotherapy trial of his design. This clinical trial decreases the duration of standard breast cancer therapy (chemotherapy followed by radiation after lumpectomy) from 5-6 months to less than 2 months.
- Breast Cancer
- Cervical Cancer
- Endometrial Cancer
- Gynecologic Cancers
- Radiation Oncology
Balmanoukian, A.; Zhang, Z.; Jeter, S.; Slater, S.; Armstrong, D.K.; Emens, L.A.; Fetting, J.H.; Wolff, A.C.; Davidson, N.E.; Jacobs, L.; Lange, J.; Tsangaris, T.N.; Zellars, R.; Gabrielson, E.; Stearns, V. African American women who receive primary anthracycline- and taxane-based chemotherapy for triple-negative breast cancer suffer worse outcomes compared with white women. J Clin Oncol. 2009 Aug 1;27(22):e35-37; author reply e38-39.
Ford, E.C.; Gaudette, R.; Myers, L.; Vanderver, B.; Engineer, L.; Zellars, R.; Song, D.Y.; Wong, J.; Deweese, T.L. Evaluation of safety in a radiation oncology setting using failure mode and effects analysis. Int J Radiat Oncol Biol Phys. 2009 Jul 1;74(3):852-858.
Zellars, R.C. Deemphasize dogma: consider the local control-overall survival link. Oncology (Williston Park). 2009 Jul;23(8):679-680.
Zellars, R.C.; Stearns, V.; Frassica, D.; Asrari, F.; Tsangaris, T.; Myers, L.; DiPasquale, S.; Lange, J.R.; Jacobs, L.K.; Emens, L.A.; Armstrong, D.K.; Fetting, J.H.; Garrett-Mayer, E.; Davidson, N.E.; Wolff, A.C. Feasibility trial of partial breast irradiation with concurrent dose-dense doxorubicin and cyclophosphamide in early-stage breast cancer. J Clin Oncol. 2009 Jun 10;27(17):2816-2822.
Chumsri, S.; Jeter, S.; Jacobs, L.K.; Nassar, H.; Armstrong, D.K.; Emens, L.A.; Fetting, J.H.; Lange, J.R.; Riley, C.; Tsangaris, T.N.; Wolff, A.C.; Zellars, R.; Zhang, Z.; Stearns, V. Pathologic complete response to preoperative sequential doxorubicin/cyclophosphamide and single-agent taxane with or without trastuzumab in stage II/III HER2-positive breast cancer. Clin Breast Cancer. 2010 Feb;10(1):40-45.
Ford, E.C., Lavely, W.C., Frassica, D.A., Myers, L.T., Asrari, F., Wahl, R.L., and Zellars, R.C. (2008). Comparison of FDG-PET/CT and CT for delineation of lumpectomy cavity for partial breast irradiation. Int J Radiat Oncol Biol Phys 71, 595-602.
Zellars, R.C., Stearns, V., Frassica, D., Asrari, F., Tsangaris, T., Myers, L., DiPasquale, S., Lange, J., Jacobs, L., Emens, L.A., Armstrong, D., Fetting, J., Garrett-Mayer, E., Davidson, N.E. and Wolff, A.C. (2009). Feasibility Trial of Partial Breast Irradiation with Concurrent Dose-Dense Doxorubicin and Cyclophosphamide in Early Stage Breast Cancer. J Clin Onc 27, 2816-2822.
- Breast Cancer
- breast cancer