In order to participate in this study a subject must meet all of the eligibility criteria outlined below.
1. Subject is willing and able to provide written informed consent to participate in the study and HIPAA authorization for the release of personal health information. Subjects are willing and able to comply with study procedures based on the judgment of the investigator or protocol designer.
2. Age ≥ 18 years at the time of consent.
3. Histological, cytological, or radiographic evidence/confirmation of a gastrointestinal malignancy or sarcoma.
4. Females with childbearing potential and male subjects with fathering potential are allowed to participate in this study.
You may not be if
1. Inability or unwillingness to provide informed consent
2. Patients who state they do not expect to be available or willing to follow up at expected intervals post-treatment
