A Biomarker Exploration Study for Predicting Localization of Recurrence and Metastasis in Colorectal Cancer (PROBE Study)

You may be eligible if

• Age ≥ 18 years, male or female.
• Patients with the following tumor types: primary colorectal cancer, locally recurrent colorectal cancer, colorectal cancer liver metastasis, colorectal cancer lung metastasis, colorectal cancer peritoneal metastasis, colorectal cancer bone metastasis, colorectal cancer multi-organ metastasis, primary liver cancer, primary lung cancer, primary peritoneal cancer, primary bone tumor.
• No prior surgery or anti-tumor treatment at the time of enrollment assessment.
• Subjects voluntarily participate in this study and sign the informed consent form.
• Pregnant or breastfeeding women.