A Clinical Study of GK02 in Malignant Ascites

Ability to understand and sign a written informed consent document；

At the date of signing ICF, 18 ~75 years old, male or female；

Patients with advanced solid tumors confirmed by histology or pathology to have failed at least second-line treatment (treatment failure is defined as progression after treatment or intolerance after treatment), including but not limited to gastric cancer, colorectal cancer, pancreatic cancer, ovarian cancer, etc.；

Pathological diagnosis or clinical diagnosis of malignant ascites, and the researcher determines that treatment for malignant ascites is necessary; During screening, the ascites volume was confirmed to be above the medium level by ultrasound (the maximum depth of ascites in the supine position was ≥3.0cm, and the total volume was ≥500ml);