Leena Chehab, MD, MS

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Leena Chehab, MD, MS, is an attending physician with the Cancer Center at Children's Hospital of Philadelphia.

Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Medical School

MD - Medical College of Virginia, Virginia Commonwealth University, Richmond, VA


Pediatrics - The Children’s Hospital of Los Angeles, Los Angeles, CA


Pediatrics - The Children’s Hospital of Los Angeles, Los Angeles, CA


Hematology/Oncology - Children’s Hospital of Philadelphia, Philadelphia, PA (Chief Fellow)
Hematologic Malignancies and Cancer Survivorship - Children’s Hospital of Philadelphia, Philadelphia, PA

Board Certification

Pediatrics – American Board of Pediatrics

Graduate Degree

MS in in Clinical Epidemiology - University of Pennsylvania, Philadelphia, PA
MS - Boston University School of Medicine, Boston, MA

Titles and Academic Titles

Attending Physician

Instructor, Perelman School of Medicine at the University of Pennsylvania


Departments and Services




Chehab, L., Doody DR, Esbenshade AJ, Guilcher, GMT, Dvorak CC, Fisher, BT, Mueller, BA, Chow, EJ, Rossoff, J. A population-based study of the long-term risk of infections associated with hospitalizations in childhood cancer survivors. J Clin Oncol. 2022 Jul 25:JCO2200230. PMID:25878085.

Van Remortel, BJ, Chehab, L, Bauer, AJ, et al. Surgical outcomes in survivors of childhood cancer undergoing thyroidectomy: A single-institution experience. Pediatr Blood Cancer. 2022; 0029674. https://doi.org/10.1002/pbc.29674.


Rosen, E., Kryndushkin, D., Aryal, B., Gonzalez, Y., Chehab, L., Dickey, J., Rao, V. A. (2020). Acute total body ionizing gamma radiation induces long-term adverse effects and immediate changes in cardiac protein oxidative carbonylation in the rat. PloS one, 15(6), e0233967.


Moke, D. J., Hamilton, A. S., Chehab, L., Deapen, D., & Freyer, D. R. (2019). Obesity and Risk for Second Malignant Neoplasms in Childhood Cancer Survivors: A Case-Control Study Utilizing the California Cancer Registry. Cancer epidemiology, biomarkers & prevention: a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 28(10), 1612–1620.


Gonzalez, Y., Pokrzywinski, K. L., Rosen, E. T., Mog, S., Aryal, B., Chehab, L. M., Vijay, V., Moland, C. L., Desai, V. G., Dickey, J. S., & Rao, V. A. (2015). Reproductive hormone levels and differential mitochondria-related oxidative gene expression as potential mechanisms for gender differences in cardiosensitivity to Doxorubicin in tumor-bearing spontaneously hypertensive rats. Cancer chemotherapy and pharmacology, 76(3), 447–459.


Gonzalez, Y., Aryal, B., Chehab, L., & Rao, V. A. (2014). Atg7- and Keap1-dependent autophagy protects breast cancer cell lines against mitoquinone-induced oxidative stress. Oncotarget, 5(6), 1526– 1537.

Posters and Presentations

Invited Lectures


Chehab, L. Pediatric Board Review Lecture Series, Oncology, The Children’s Hospital Los Angeles. 2021-present.

Awards and Honors

2021-2022, Gail Slap Fellowship Award, The Children’s Hospital of Philadelphia
2018, Robert G. Williams Outstanding Teaching Award, The Children’s Hospital Los Angeles
2016, George Donnell Society for Pediatric Scientists, Children’s Hospital of Los Angeles
2016, Elizabeth Harbison Memorial Award for Excellence in Pediatrics, Virginia Commonwealth University
2015, Summer Oncology Research Fellowship, Children’s Hospital of Los Angeles
2014, Pathology Honor Society, Virginia Commonwealth University
2011, Food and Drug Administration Research Fellowship
2009, National Science Foundation STEM Research Grant
2008, American Cancer Society Childhood Cancer Survivorship Educational Grant

Editorial and Academic Positions

Academic and Institutional Committees

2021-present, Children’s Oncology Group Joint Survivorship and Infectious Disease Committee
2020-present, Hematology/Oncology Fellowship Committee Member,

Leadership and Memberships

Memberships in Professional Organizations

2020-present, American Society of Hematology
2019-present, Children’s Oncology Group
2016-present, American Academy of Pediatrics