Roi Weiser, M.D.
Department of Surgical Oncology, Division of Surgery
Present Title & Affiliation
Primary Appointment
Assistant Professor, Department of Surgical Oncology, Division of Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX
Dual/Joint/Adjunct Appointment
Assistant Professor, Department of Breast Surgical Oncology, Division of Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX
Education & Training
Degree-Granting Education
2011 | Tel-Aviv University, Tel-Aviv, ISR, MD, Medicine |
2006 | Tel-Aviv University, Tel-Aviv, ISR, BS, Health Sciences |
2004 | Université Paris IV, La Sorbonne, FRA, MA, Maîtrise de Philosophie |
2002 | Tel-Aviv University, Tel-Aviv, ISR, BA, Philosophy and English Literature |
Postgraduate Training
2021-2022 | Clinical Fellowship, Surgical Oncology (International program), University of Texas MD Anderson Cancer Center, Houston, TX |
2020-2021 | Clinical Fellowship, Breast Surgical Oncology, University of Texas Medical Branch, Galveston, TX |
2012-2018 | Clinical Residency, General Surgery, Tel-Aviv Sourasky Medical Center, Tel-Aviv |
Board Certifications
2018 | Israeli Board Certification in General Surgery |
Experience & Service
Academic Appointments
Faculty, Tel-Aviv Sourasky Medical Center, Tel-Aviv, 2018 - 2020
Honors & Awards
2021 | Outstanding Overall Fellow Nominee, University of Texas Medical Branch |
2020 | The Claire and E.G. Rosenblatt Oncologist Exchange Program Scholarship, Israel Cancer Association |
Professional Memberships
Selected Publications
Peer-Reviewed Articles
- Jacques SK, McKeown J, Grover P, Johnson DB, Zaremba A, Dimitriou F, Weiser R, Farid M, Namikawa K, Sullivan RJ, Rutkowski P, Lebbe C, Hamid O, Zager JS, Michielin O, Neyns B, Nakamura Y, Robert C, Mehnert J, Ascierto PA, Bhave P, Park B, Zimmer L, Mangana J, Mooradian M, Placzke J, Allayous C, Glitza Oliva IC, Mehmi I, Depalo D, Wicky A, Schwarze JK, Roy S, Boatwright C, Vanella V, Long GV, Menzies AM, Lo SN, Carlino MS. Outcomes of Patients with Resected Stage III/IV Acral or Mucosal Melanoma, Treated with Adjuvant Anti-PD-1 Based Therapy. Eur J Cancer 199:113563, 2024. e-Pub 2024. PMID: 38278007.
- Halfteck GG, Polychronopoulou YE, Haque W, Weiser R, Hatch SS, Klimberg VS. De-escalation of Post-mastectomy Irradiation in Hormone Receptor-Positive Breast Cancer with One to Three Positive Nodes. Ann Surg Oncol 30(13):8335-8343, 2023. e-Pub 2023. PMID: 37679538.
- Weiser R, Manno GC, Cass SH, et al. Fluoroscopic Intra-operative Breast Neoplasm and Node Detection (FIND). J Am Coll Surg 236(4):575-585, 2023.
- Ho JJ, Mattei J, Tetzlaff M, Williams MD, Davies MA, Diab A, Oliva ICG, McQuade J, Patel SP, Tawbi H, Wong MK, Fisher SB, Hanna E, Keung EZ, Ross M, Weiser R, et al. Neoadjuvant Checkpoint Inhibitor Immunotherapy for Resectable Mucosal Melanoma. Front Oncol:1001150, 2022.
- Weiser R, Polychronopoulou E, Hatch SS, Haque W, Ghani HA, He J, Kuo YF, Gradishar WJ, Klimberg VS. Adjuvant Chemotherapy in Patients with Invasive Lobular Carcinoma and Use of the 21-gene Recurrence Score: A National Cancer Database Analysis. Cancer 128(9):1738-1747, 2022. e-Pub 2022. PMID: 35137951.
- Gavert N, Zwang Y, Weiser R, et al. Ex Vivo Organotypic Cultures for Synergistic Therapy Prioritization Identify Patient-specific Responses to Combined MEK and Src Inhibition in Colorectal Cancer. Nat Cancer 3(2):219-231, 2022.
- Newcomer K, Robbins K, Perone J, Hinojosa FL, Chen D, Jones S, Kaufman C, Weiser R, Fields R, Tyler D. Malignant Melanoma: Evolving Practice Management in an Era of Increasingly Effective Systemic Therapies. Curr Probl Surg 59(1):101030, 2022.
- Weiser R, Polychronopoulou E, Haque W, et al. Prognosis and Chemotherapy Use in Breast Cancer Patients with Multiple Lymphatic Micrometastases: an NCDB Analysis. Ann Surg Oncol 28(13):8717-8727, 2021.
- Weiser R. Klimberg VS. ASO Author Reflections: Breast Cancer: What is in a Positive Node?. Ann Surg Oncol 28(13):8728, 2021.
- Weiser R, Polychronopoulou E, Haque W, et al. ASO Visual Abstract: Prognosis and Chemotherapy Use in Breast Cancer Patients with Multiple Lymphatic Micrometastases – An NCDB Analysis. Ann Surg Oncol:527-528, 2021.
- Green RT, Weiser R, Golan O, Menes TS. In Search of the Lost Clip: Outcome of Women after Needle Guided Lumpectomy of a Marking Clip. Ann Surg Oncol 28(9):4974-4980, 2021.
- Menes TS, Golan O, Weiser R, Tvito Green R. ASO Author Reflections: Facing the Challenge of the Missing clip in Breast Lumpectomy Specimens. Ann Surg Oncol 28(9):4981-4982, 2021.
- Tvito Green R, Weiser R, Golan O, Menes TS. ASO Visual Abstract: In Search of the Lost Clip – Outcome of Women After Needle-Guided Lumpectomy of a Marking Clip. Ann Surg Oncol 28(9):4983-4984, 2021.
- Weiser R, Polychronopoulou E, Kuo YF, et al. De-escalation of Endocrine Therapy in Early Hormone Receptor-Positive Breast Cancer: When is Local Treatment Enough?. Ann Surg 274(4):654-663, 2021.
- Weiser R, Haque W, Polychronopoulou E, et al. The 21-Gene Recurrence Score in Node-Positive, Hormone Receptor-Positive, HER2-Negative Breast Cancer: A Cautionary Tale from an NCDB Analysis. Breast Cancer Res Treat 185(3):667-676, 2021.
- Pencovich N, Nevo N, Weiser R, et al. Postoperative Rise of Circulating Mitochondrial DNA is Associated with Inflammatory Response in Patients Following Pancreaticoduodenectomy. Eur Surg Res 62(1):18-24, 2021.
- Nejman D, Livyatan I, Fuks G, Gavert N, Zwang Y, Geller LT, Rotter-Maskowitz A, Weiser R, et al. The Human Tumor Microbiome Is Composed of Tumor Type-Specific Intracellular Bacteria. Science 368(6494):973-980, 2020.
- Weiser R, Pencovich N, Mlynarsky L, et al. Management of Endoscopic Retrograde Cholangiopancreatography – Related Perforations: Experience of a Tertiary Center. Surgery 161(4):920-929, 2017.
- Papoulas M, Weiser R, Rosen G, et al. Visceral Fat Content Correlates with Retroperitoneal Soft Tissue Sarcoma (STS) Local Recurrence and Survival. World J Surg 39(8):1895-901, 2015.
- Levy T, Weiser R, Boaz M, et al. The significance of the pattern of serum CA125 level ascent to above the normal range in epithelial ovarian, primary peritoneal and tubal carcinoma patients. Gynecol Oncol 129(1):165-8, 2013.
- Levy T, Weiser R, Boaz M, et al. Prognostic significance of rising serum CA-125 levels within the normal range in patients with epithelial ovarian, primary peritoneal and tubal cancers, who, after initial treatment, had a complete clinical response. Int J Gynecol Cancer(8):1344-8, 2012.
Book Chapters
- Weiser R, Klimberg VS. Lymphatic Mapping and Sentinel Lymphadenectomy. In: Cameron JL and Cameron AM (eds.). Current Surgical Therapy, 14th edition, 2023.
- Weiser R, Spiquel L, Singhal D, Klimberg VS, Lymphedema Prevention and Treatment: Axillary Reverse Mapping, LMYPHA, and Lymph Node Transfer. In: Bland KI, Copeland EM, Klimberg VS, Gradishar WJ (eds.). The Breast. 6th Edition, 2023.
- Weiser R, Berman RS, Gershenwald JE. Wide Excision of Primary Cutaneous Melanoma. In: Sabel MS, Mulholland MW (eds.). Operative Techniques in Surgery, 2nd Edition. Operative Techniques in Surgery. 2nd Edition, 2023.
- Weiser R, Klimberg VS, Hunt KK. Diseases of the Breast. In: Tyler’s Sabiston Textbook of Surgery. 22nd edition.
- Weiser R, Klimberg VS. In: Chu QD, Klimberg VS, Anderson B, Balch C, Parker C, Dedey F, Mendez J, and Are C (eds.). A Practical Guide to Managing Breast Cancer for Low-Middle Income Countries.
Letters to the Editor
- Weiser R, Polychronopoulou E, Klimberg VS. Reply to “the use of national datasets to evaluate outcomes for invasive lobular carcinoma. Cancer 128: 3418-3419, 2022.