Digestive System Cancer

The aim of this study is to establish and optimize the target-specific PET/CT imaging method, and its physiological and pathological distribution characteristics, on the basis of which the diagnostic efficacy of the above imaging agents in digestive system malignant tumors will be evaluated.

This study is a prospective, observational clinical study aimed at evaluating the efficacy of Megestrol Acetate for cachexia in patients with advanced digestive system tumors receiving TKI-based therapy.

Aims to observe and evaluate the impact of survival and quality of life of patients with gastrointestinal tumors such as advanced esophageal, gastric, liver, pancreatic, and colorectal cancers through nutritional-psychological interventions versus no-vomit management compared to standard antitumor therapy alone