GI Expert Care Team
Oncology
![](https://ruesch.georgetown.edu/wp-content/uploads/sites/136/2021/11/MGUH_Washington_DC_John_Marshall_Medical-Oncology-V2-1-e1638286382981.jpg)
John L. Marshall, MD
MedStar Georgetown University Hospital
GI Oncology
Scientific Lead in Colorectal Cancers
![](https://ruesch.georgetown.edu/wp-content/uploads/sites/136/2021/11/HE_Aiwu_Ruth_Gastrointestinal-Oncology_MGUH_Washington_DC-e1638286082107.jpg)
Aiwu Ruth He, MD, PhD
MedStar Georgetown University Hospital
GI Oncology
Scientific Lead in Liver & Biliary Cancers
![](https://ruesch.georgetown.edu/wp-content/uploads/sites/136/2024/02/MUKHERJI_Reetu_hemotology-oncology_MGUH-2-e1709064897265.jpg)
Reetu Mukherji, MD
MedStar Georgetown University Hospital
GI Oncology
Scientific Lead in Upper GI
Surgery
![](https://ruesch.georgetown.edu/wp-content/uploads/sites/136/2021/11/JACKSON_Patrick_general-surgery_MGUH-e1638288138712.jpg)
Patrick G. Jackson, MD
Surgical Oncology
Colon & Rectal Surgery, Hepatobiliary Surgery, Endocrine Surgery, Pancreatobiliary Diseases