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Emily Weg, MD

Assistant Professor


Dr. Weg specializes in treating genitourinary cancers. She treats patients at the Seattle Cancer Care Alliance, University of Washington Medical Center at Montlake, and SCCA Proton Therapy Center. She has expertise in image guided radiation therapy, stereotactic body radiation therapy, proton therapy, and brachytherapy.

Patient Care Philosophy

I strive to treat each patient as I would treat my own family member: with compassion, careful deliberation, and excellent clinical care.

Education and Training

College: Columbia University 

Medical Education: Icahn School of Medicine at Mount Sinai

Residency: Radiation Oncology, Memorial Sloan Kettering Cancer Center


Selected Publications

Weg ES, Pei X, Kollmeier MA, McBride SM, Zelefsky MJ. Dose-escalated intensity modulated radiation therapy for prostate cancer: 15-year outcomes data. Adv Radiat Oncol 2019 Apr  4;4(3):492-499. doi: 10.1016/j.adro.2019.03.012.

Weg ES, Kollmeier MA, McBride SM, Novak C, Pei X, Zelefsky MJ. Cigarette smoking during external beam radiation therapy for prostate cancer is associated with an increased risk of prostate cancer-specific mortality and treatment-related toxicity. BJU Int 2015 Oct;116(4):596-603. doi: 10.1111/bju.12969.

Stopsack KH, Nandakumar S, Wibmer AG, Haywood S, Weg ES, Barnett ES, Kim CJ, Carbone EA, Vasselman SE, Nguyen B, Hullings MA, Scher HI, Morris MJ, Solit DB, Schultz N, Kantoff PW, Abida W. Oncogenic Genomic Alterations, Clinical Phenotypes, and Outcomes in Metastatic Castration-Sensitive Prostate Cancer. Clin Cancer Res. 2020 Jul 1;26(13):3230-3238. doi: 10.1158/1078-0432.CCR-20-0168.

Nguyen B, Mota JM, Nandakumar S, Stopsack KH, Weg E, Rathkopf D, Morris MJ, Scher HI, Kantoff PW, Gopalan A, Zamarin D, Solit DB, Schultz N, Abida W. Pan-cancer Analysis of CDK12 Alterations Identifies a Subset of Prostate Cancers with Distinct Genomic and Clinical Characteristics. Eur Urol. 2020 Apr 19:S0302-2838(20)30199-8. doi: 10.1016/j.eururo.2020.03.024.

Kohutek ZA, Weg ES, Pei X, Shi W, Zhang Z, Kollmeier MA, Zelefsky MJ. Long-term Impact of Androgen-deprivation Therapy on Cardiovascular Morbidity After Radiotherapy for Clinically Localized Prostate Cancer. Urology. 2016 Jan;87:146-52. doi: 10.1016/j.urology.2015.08.029.

Research Interests

  • Prostate cancer genomics
  • Optimizing outcomes by studying radiation modality

Educational Involvement

  • Residency Involvement

Professional Involvement

  • ASCO
  • ABS
  • RSNA
  • NYRS