K. S. Clifford Chao, Professor & Vice-President

Ying-Chin Ko, Professor & Vice-President
  • Office: 91 Hsueh-Shih Road, Taichung, 40402, TAIWAN
  • Tel:+886-4-22052121
  • FAX:+886-4-22075011


  • Kaohsiung Medical School, Taiwan, M.D., 1982, Medicine


  • Director, Biomedical Industry Center ( Preparatory Office ), China Medical University Hospital, August 2014 to present.
    Superintendent, Cancer Center, China Medical University Hospital, August 2014 to present.
  • Professor and Chair, Department of Radiation Oncology, Columbia University College of Physicians and Surgeons, May 2008 to 2015.
  • Residency Program Director, Radiation Oncology Columbia University College of Physicians and Surgeons, May 2008 to 2014.
  • Professor and Chief, Division of Radiation Oncology, Weill Cornell College of Medicine, May 2008 to 2015.
  • Director of Combined Radiation Oncology Program at New York Presbyterian Hospital-Columbia University Medical Center- Weill Cornell College of Medicine, May 2008 to 2015.
  • Director of Image-guided Therapy, Department of Radiation Oncology, The University of Texas M. D. Anderson Cancer Center, Houston TX, June 2002-April 2008.
  • Barnes-Jewish Hospital, Cancer Center Committee, St. Louis, MO, July 1998-April 2002.
  • Washington University Medical Center, Human Studies Committee, Internal Review Board, St.Louis, MO, July 1999-April 2002.
  • Barnes-Jewish Hospital, Associate Director of Residency Training Program, St. Louis, MO July 1998-April 2002.
  • Barnes-Jewish Hospital, Cancer Center, Education Subcommittee, St. Louis, MO, July 1988-April 2002.
  • President, North America Taiwanese Medical Association, St. Louis, MO, June 2001 – May 2002.
  • Chair, Membership Committee, North America Taiwanese Professor Association, St. Louis, MO. July 1999-April 2001.

Award(s) and honor(s)

  • Best Doctors in America, 2004-2005, 2005-2006, 2007-2008, 2008-2009, 2009-2010, 2011-2012,2012-2013, 2013-2014.
  • America’s Top Doctors, Castle Connolly Medical – New Yorker Magazine, 2012, 2013, 2014.
  • Taiwanese American Citizen League (TACL) and Taiwanese American Professionals (TAP) Life Time Achievement Award, 2012.
  • Chu H. Chang Distinguished Professor, Columbia University College of Physicians and Surgeons, 2008.
  • Keynote Speaker of 2014 Second Chinese World Congress of Radiological Sciences, Suzhou, China.
  • Keynote Speaker of 2009 Asian Pacific Head and Neck Oncology Congress, Taipei, Taiwan, September 18, 2009
  • Keynote Speaker of 2008 International Symposium on Cancer Nanotechnology and Image-guidedTherapy, Taipei, Taiwan, December 25, 2008
  • Keynote Speaker of 2006 Taiwan Radiology Society meeting, Kaohsiung, Taiwan, March 26, 2006.
  • Keynote Speaker of 2006 International Society of Gastroenterology Oncology ICACT/ISGIO meeting, Paris, France, February 1, 2006.
  • Annual Oration in Radiation Oncology, Radiological Society of North America (RSNA) Chicago, Illinois, November 30, 2005.
  • Keynote Speaker of 8th Japan 3-D CRT Symposium, Ciba, Japan, July 25, 2003.
  • Richard Evan Memorial Lecture at University of Kansas. February 14, 2003.
  • ASTRO/ESTRO Travel Award Oct. 1997.
  • Essay Award - Gilbert H. Fletcher Society, Nineteenth Annual Meeting of the Gilbert H. Fletcher Society, Houston, Texas, April 7-9, 1994.
  • Essay Award - American Brachytherapy Society, Sixteenth Annual Meeting of the American Brachytherapy Society, Scottsdale, Arizona December 8-11, 1993.
  • Best Intern of the Year, Chang-Gung Memorial Hospital, 1982
  • President, Medical Student Association, Kaohsiung Medical School, 1981
  • Head, Aboriginal Area Medical Service Corporation, Kaohsiung Medical School, 1980

 Publications [ 2011 ~ 2014 ]

Liu SH, Chao KS, Leu YS, Lee JC, Liu CJ, Huang YC, Chang YF, Chen HW, Tsai JT, Chen YJ.Guideline and Preliminary Clinical Practice Results for Dose Specification and Target Delineation for Postoperative Radiotherapy of Oral Cavity Cancer. Head Neck. 2014 Mar 14. doi: 10.1002/hed.23692
Berry SL, Polvorosa C, Cheng S, Deutsch I, Chao KS, Wuu CS. Initial clinical experience performing patient treatment verification with an electronic portal imaging device transit dosimeter. Int J Radiat Oncol Biol Phys. 2014 Jan 1;88(1):204-9. doi: 10.1016/j.ijrobp.2013.09.045. PMID: 24210671
Wernicke, A.G., Lazow, S., Yondorf, M., Kovanlikaya, I., Nori, D., Chao KS, Christos, P., Boockvar, J., Pannullo, S., Stieg, P. and Schwartz, T.: MRI resection cavity dynamics following implantation of Cesium-131 brachytherapy in patients with brain metastases.  Journal of Neurosurgery, 2013.
Parashar B, Singh P, Christos P, Arora S, Desai P, Wernicke AG, Delamerced M,  Boothe D, Nori D, Chao KS. Stereotactic body radiation therapy (SBRT) for early stage lung cancer delivers clinically significant radiation to the draining lymph nodes. J Radiosurg SBRT. 2013;2(4):339-340. PubMed PMID: 24383044; PubMed Central PMCID: PMC3874935
Huang YC, Chao KS, Liao HF, Chen YJ. Targeting sonic hedgehog signaling by compounds and derivatives from natural products Evid Based Complement Alternat Med. 2013;2013:748587. doi: 10.1155/2013/748587. Epub 2013 May 20.PMID: 23762158
Shah A, Chao KS, Ostbye T, Castleberry AW, Pietrobon R, Gloor B, Clary BM, White RR, Worni M. Trends in racial disparities in pancreatic cancer surgery. J Gastrointest Surg. 2013 Nov;17(11):1897-906. doi: 10.1007/s11605-013-2304-4. PMID: 24002757
Wernicke AG, Varma S, Greenwood EA, Christos PJ, Chao KS, Liu H, Bander NH, Shin SJ. Prostate-specific membrane antigen expression in tumor-associated vasculature of breast cancers. APMIS. 2013 Dec 5. doi: 10.1111/apm.12195. PMID: 24304465
Boothe DL, Coplowitz S, Greenwood E, Barney CL, Christos PJ, Parashar B, Nori D, Chao KS, Wernicke AG. Transforming Growth Factor β-1 (TGF-β1) Is a Serum Biomarker of Radiation Induced Fibrosis in Patients Treated With Intracavitary Accelerated Partial Breast Irradiation: Preliminary Results of a Prospective Study. Int J Radiat Oncol Biol Phys. 2013 Dec 1;87(5): 1030-6. doi: 10.1016/j.ijrobp.2013.08.045. PMID: 24139518
Greenwood EA, Coplowitz S, Patel P, Sharma N, Kulidzhanov F, Christos PJ, Fischer A, Parashar B, Nori D, Chao KS, Wernicke AG. Assessment of pain as a sequela in patients treated with intracavitary brachytherapy accelerated partial breast irradiation (IBAPBI): preliminary results of a prospective study.Breast J. 2013 Nov-Dec;19(6):595-604. doi: 10.1111/tbj.12174. PMID:24102810
Nagar H, Boothe D, Parikh A, Yondorf M, Parashar B, Gupta D, Holcomb K, Caputo T, Chao KS, Nori D, Wernicke AG. Administration of concurrent vaginal brachytherapy during chemotherapy for treatment of endometrial cancer.Int J Radiat Oncol Biol Phys. 2013 Nov 15;87(4):665-9. doi: 10.1016/j.ijrobp.2013.08.014. PMID: 24138915
Nagar H, Zhou L, Biritz B, Sison C, Chang J, Smith M, Nori D, Chao KS, Hayes MK. Is There a Tradeoff in Using Modified High Tangent Field Radiation for Treating an Undissected Node-Positive Axilla? Clin Breast Cancer. 2013 Oct 27. pii: S1526-8209(13)00241-3. doi: 10.1016/j.clbc.2013.10.004. PMID: 24291379.
Liao HF, Chao KS, Chen YJ, Chang MS. Complementary and alternative medicine in cancer stem cells. Evid Based Complement Alternat Med. 2013;2013:560274. doi: 10.1155/2013/560274. Epub 2013 Aug 6. No abstract available. PMID: 23986783.
Huang YC, Chao KS, Liao HF, Chen YJ. Targeting sonic hedgehog signaling by compounds and derivatives from natural products Evid Based Complement Alternat Med. 2013;2013:748587. doi: 10.1155/2013/748587. Epub 2013 May 20.PMID: 23762158.
Wernicke AG, Greenwood EA, Coplowitz S, Parashar B, Kulidzhanov F, Christos PJ, Fischer A, Nori D, Chao KS. Tissue compliance meter is a more reproducible method of measuring radiation-induced fibrosis than late effects of normal tissue-subjective objective management analytical in patients treated with intracavitary brachytherapy accelerated partial breast irradiation: results of a prospective trial. Breast J. 2013 May-Jun; 19(3):250-8. PMID: 23614363.
Wang JC, Zhang C, Wei Y, Horowitz DP, Connolly EP, Cheng SK, Feng W, Chao KS, Israel Deutsch. Comparison of effect of rectal volume delineation methods on dose constraint endpoints in the treatment of prostate cancer with intensity-modulated radiation therapy.  J Radiat Oncol 24 May 2013.
Su YC, Li SC, Wu YC, Wang LM, Chao KS, Liao HF.  Resveratrol Down regulates     inInterleukin-6-Stimulated Sonic Hedgehog Signaling in Human Acute Myeloid Leukemia. Evid Based Complement Alternat Med. 2013; 2013:547430.doi: 10.1155/2013/547430. PMID:23533494.
Yan P, Cheese borough JC 3rd, Chao KS Automatic Shape-Based Level Set Segmentation for Needle Tracking in 3-D TRUS-Guided Prostate Brachytherapy. Ultrasound Med Biol. 2012 Sep;38(9):1626-36 PMID:22763006.
Parashar B, Wernicke AG, Rice S, Osborne J, Singh P, Nori D, Vallabhajosula S, Goldmith S, Chao, K.S. Early assessment of radiation response using a novel functional imaging modality – [18F]fluorocholine PET (F-PET): a pilot study. Discov Med 2012 Jul;14(74): 13-20 PMID: 22868241.
Yan W, Christos P, Nori D, Chao KS, Ravi A. Is There a Cause-specific Survival Benefit of Postmastectomy Radiation Therapy in Women Younger Than Age 50 With T3N0 Invasive Breast Cancer?  A SEER Database Analysis: Outcomes by Receptor Satus/Race/Age : Analysis Using the NCI Surveillance, Epidemiology, and End Result (SEER) Database. Am J Clin Oncol. 2012 Aug 2 PMID: 22868241.
Liao HF, Su YC, Zheng ZY, Jhih Cai C, Hou MH, Chao KS, Chen YJ. Sonic hedgehog signaling regulates Bcr-Abl expression in human chronic myeloid leukemia cells. Biomed Pharmacother. 66(5):378-83, 2012. PMID:22397755.
Li B, Chen M, Nori D, Chao KS, Chen AM, Chen SL Adjuvant Radiation Therapy and Survival for Pure Tubular Breast Carcinoma-Experience From the SEER Database. Int J Radiat Oncol Biol Phys. 2012 Sep PMID: 22543207.
Chen YJ, Kuo CD, Chen SH, Chen WJ, Huang WC, Chao KS, Liao HF Small-molecule synthetic compound norcantharidin reverses multi-drug resistance y regulating Sonic hedgehog signaling in human breast cancer cells. PLoS on. 2012 Epub 2012 May 15. PMID:22615870.
Sharma C, Deutsch I, Horowitz DP, Hershman DL, Lewin SN, Lu YS, Neugut AI, Herzog TJ, Chao KS, Wright JD. Patterns of care and treatment outcomes for elderly women with cervical cancer. 2011 Oct 28. doi: 10.1002/cncr.26589.
Sharma C, Deutsch I, Lewin SN, Burke WM, Qiao Y, Sun X, Chao KS , Herzog TJ, Wright JD. Lymphadenectomy influences the utilization of adjuvant radiation treatment for endometrial cancer. Am J Obstet Gynecol. 2011 Dec;205(6):562.e1-9.
Chen YJ, Lin CP, Hsu ML, Shieh HR, Chao NK, Chao KS. Sonic hedgehog signaling protects human hepatocellular carcinoma cells against ionizing radiation in an autocrine manner. Int J Radiat Oncol Biol Phys. 2011 Jul 1;80(3):851-9. Epub 2011 Mar 4.
Parashar B, Patel P, Singh P, Monni S, Trichter S, Sabbas A, Wernicke AG, Nori D, Chao KS. Management of Single Malignant Lung Nodules in Elderly Patients (70 Years or Older) Who are Not Candidates for Lobectomy. Am J Clin Oncol. 2011 May 6
Parashar B, Wernicke AG, Pavese A, Singh P, Trichter S, Sabbas A, Kutler DI, Kuhel W, Port JL, Lee PC, Nori D, Chao KS. Cesium-131 permanent seed brachytherapy: dosimetric evaluation and radiation exposure to surgeons, radiation oncologists, and staff. Brachytherapy 2011 Nov;10(6):508-13. doi: 10.1016/j.brachy.2011.04.002.
Patel PS, Yan W, Trichter S, Sabbas A, Rosenblatt R, Drotman MB, Swistel A, Chao KS, Nori D, Hayes MK. Seroma is an expected consequence and not a complication of MammoSite brachytherapy. Breast J. 2011 Sep-Oct;17(5):498-502. doi: 10.1111/j.1524-4741.2011.01127.x.
Wernicke AG, Goodman RL, Turner BC, Komarnicky LT, Curran WJ, Christos PJ, Khan I, Vandris K, Parashar B, Nori D, Chao KS. A 10-year follow-up of treatment outcomes in patients with early stage breast cancer and clinically negative axillary nodes treated with tangential breast irradiation following sentinel lymph node dissection or axillary clearance. Breast Cancer Res Treat. Breast Cancer Res Treat. 2011 Feb;125(3):893-902.