RecruitingPhase 4Drug trialIntraoperative Imaging of Gastrointestinal Malignancies Using Pafolacianine (CYTALUX™)This is an open-label study in adults to determine feasibility of using CYTALUX™ (pafolacianine) injection with near-infrared (NIR) fluorescent imaging for detecting any type adenocarcinoma (gastric, esophageal and appendiceal).