主题词：Cancer Immunotherapy and Biomarkers; Gastric Cancer Management and Outcomes; Lung Cancer Treatments and Mutations; Pancreatic and Hepatic Oncology Research; Breast Cancer Treatment Studies; Hepatocellular Carcinoma Treatment and Prognosis; Cancer Genomics and Diagnostics; Lung Cancer Research Studies; Colorectal Cancer Treatments and Studies; Cancer Cells and Metastasis; Colorectal Cancer Surgical Treatments; Neuroendocrine Tumor Research Advances; Cholangiocarcinoma and Gallbladder Cancer Studies; Genetic factors in colorectal cancer; Colorectal Cancer Screening and Detection; Lung Cancer Diagnosis and Treatment; Ferroptosis and cancer prognosis; Head and Neck Cancer Studies; HER2/EGFR in Cancer Research; Esophageal Cancer Research and Treatment; Gastrointestinal Tumor Research and Treatment; Immunotherapy and Immune Responses; Inflammatory Biomarkers in Disease Prognosis; Colorectal and Anal Carcinomas; Helicobacter pylori-related gastroenterology studies