Gastrectomy, Splenectomy, Cholecystectomy, Hyperthermic intraperitoneal chemotherapy, Cytoreductive surgery, Colectomy,... Small bowel resection, Minimally invasive intestinal surgery, Minimally invasive gastric surgery, Stomach cancer surgery, Peritoneal cancer, Mesothelioma, Stomach cancer, Enlarged spleen, Stage 4 colorectal cancer, Carcinoid tumor, Gastrointestinal stromal tumor, Appendix cancer, Small bowel cancer, Retroperitoneal sarcoma, Pseudomyxoma peritonei, Appendiceal mucinous neoplasm, Stage 4 stomach cancer