I. To assess short-term morbidity and disease-free survival outcomes for patients with gastric adenocarcinoma with limited low volume peritoneal metastasis and/or positive peritoneal cytology undergoing robotic cytoreduction and hyperthermic intraperitoneal chemotherapy.
I. To obtain a biorepository for additional translational research including:
Ia. Stool samples for shotgun metagenomic sequencing and metabolomic quantification of the fecal microbiome before and after gastrectomy; Ib. Blood and peritoneal tissue biobanked for future investigations; Ic. Patient reported outcomes using the Mayo Clinic Upper Digestive Disease Survey questionnaires at 1, 3, 6 and 12 months.
Patients undergo collection of stool and blood sample before and after surgery. Patients also undergo robotic gastrectomy and HIPEC with docetaxel and cisplatin on study. Patients undergo computed tomography (CT), magnetic resonance imaging (MRI), or positron emission tomography (PET)/CT scans throughout the trial.
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