主题词：Gastric Cancer Management and Outcomes; Hepatocellular Carcinoma Treatment and Prognosis; Pancreatic and Hepatic Oncology Research; Cholangiocarcinoma and Gallbladder Cancer Studies; Esophageal Cancer Research and Treatment; Gastrointestinal Tumor Research and Treatment; Colorectal Cancer Surgical Treatments; Cancer Immunotherapy and Biomarkers; Colorectal Cancer Screening and Detection; Colorectal Cancer Treatments and Studies; Helicobacter pylori-related gastroenterology studies; Inflammatory Biomarkers in Disease Prognosis; Genetic factors in colorectal cancer; Ferroptosis and cancer prognosis; Neuroendocrine Tumor Research Advances; Metastasis and carcinoma case studies; Cancer-related molecular mechanisms research; Colorectal and Anal Carcinomas; Gallbladder and Bile Duct Disorders; MicroRNA in disease regulation; Cancer Cells and Metastasis; Cancer Genomics and Diagnostics; Liver Disease Diagnosis and Treatment; Gastrointestinal disorders and treatments; Intraperitoneal and Appendiceal Malignancies