主题词：Gastric Cancer Management and Outcomes; Helicobacter pylori-related gastroenterology studies; Gastrointestinal Tumor Research and Treatment; Esophageal Cancer Research and Treatment; Metastasis and carcinoma case studies; Colorectal Cancer Treatments and Studies; Bariatric Surgery and Outcomes; Esophageal and GI Pathology; HER2/EGFR in Cancer Research; Cancer Cells and Metastasis; Cancer Immunotherapy and Biomarkers; Genetic factors in colorectal cancer; Cholangiocarcinoma and Gallbladder Cancer Studies; Multiple and Secondary Primary Cancers; Colorectal Cancer Screening and Detection; Colorectal Cancer Surgical Treatments; Gastrointestinal disorders and treatments; Enhanced Recovery After Surgery; Inflammatory Biomarkers in Disease Prognosis; Intraperitoneal and Appendiceal Malignancies; Nutrition and Health in Aging; Minimally Invasive Surgical Techniques; Ferroptosis and cancer prognosis; Wnt/β-catenin signaling in development and cancer; Pancreatic and Hepatic Oncology Research