Leigh Marcus, MD Oncologist



Leigh Marcus, MD, is an Assistant Professor at the George Washington University School of Medicine and Attending Physician at the Center for Cancer and Blood Disorders. She is a member of the Leukemia and Lymphoma Program in the Division of Oncology at Children’s National Health System, and specializes in Non-Hodgkin’s Lymphoma. Dr. Marcus serves as a member of the Children’s Oncology Group (COG) Non-Hodgkin’s Lymphoma subcommittee, which is the international consortium for children with cancer. She is also their Young Investigator (YI) liaison. Dr. Marcus is Principle Investigator (PI) for Therapeutic Advances in Childhood Leukemia and Lymphoma (TACL), the early phase clinical trials consortia for leukemia and lymphoma in childhood. Dr. Marcus is the Responsible Investigator (RI) on most acute lymphoblastic leukemia COG trials at Children's National. She also is the assistant medical unit director of the inpatient hematology,oncology, and bone marrow unit at Children's. Dr. Marcus has been an invited speaker at various venues including Food and Drug Administration (FDA), American Association for Clinical Research (AACR), Johns Hopkins Hospital, and National Cancer Institute (NCI) at National Institutes of Health (NIH).

Education & Training

Education & Training

  • Fellowship Program, Pediatric Hematology/Oncology, 2011
    Johns Hopkins Hospital
  • Fellowship Program, Pediatric Hematology/Oncology, 2011
    National Institutes of Health
  • Residency Program, Pediatrics, 2007
    Yale New Haven Children's Hospital
  • Internship Program, Pediatrics, 2005
    Yale New Haven Children's Hospital
  • MD, 2004
    Medical College of Virginia
  • BS, 2000
    University of North Carolina at Chapel Hill
Patient Stories

Patient Stories: Leigh Marcus

Patient story

Andrew's Story

"Our best advice is to take each episode as it comes, and you will get through them all! It may sound like a cliché, but you do learn to live one day at a time and to relish every small milestone in your child's life."

Research & Publications

Research & Publications

InOctreotide Scintigraphy for Identification of metastatic medullary thyroid carcinoma in Children and Adolescents

(2012) The Journal of Clinical Endocrinology & Metabolism

The plasma and cerebrospinal fluid pharmacokinetics of the platinum analog satraplatin after intravenous administration in nonhuman primates

(2012) Cancer Chemotherapy and Pharmacology

View publications on PubMed

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Lillie's Story

Patient story

"The following days, more testing followed until we got the news- the words no parent ever wants to hear- our baby girl had cancer."

Read More of Lillie's Story

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