主题词：Gastric Cancer Management and Outcomes; Pancreatic and Hepatic Oncology Research; Hepatocellular Carcinoma Treatment and Prognosis; Cholangiocarcinoma and Gallbladder Cancer Studies; Gastrointestinal Tumor Research and Treatment; Colorectal Cancer Surgical Treatments; Esophageal Cancer Research and Treatment; Colorectal Cancer Treatments and Studies; Colorectal Cancer Screening and Detection; Colorectal and Anal Carcinomas; Gastrointestinal disorders and treatments; Neuroendocrine Tumor Research Advances; Genetic factors in colorectal cancer; Helicobacter pylori-related gastroenterology studies; Gallbladder and Bile Duct Disorders; Metastasis and carcinoma case studies; Inflammatory Biomarkers in Disease Prognosis; Cancer Immunotherapy and Biomarkers; Intraperitoneal and Appendiceal Malignancies; Cancer Diagnosis and Treatment; Pancreatitis Pathology and Treatment; Sarcoma Diagnosis and Treatment; Liver Disease Diagnosis and Treatment; Esophageal and GI Pathology; Global Cancer Incidence and Screening