Application of Radiomics in Precise Preoperative Diagnosis and Prognsis Evaluation of Colorectal Cancer.

Inclusion Criteria: * Patients with pathologically confirmed colorectal cancer * Male or female aged 18-75 years old on the day of signing informed consent. * Patients who received imageological examination of primary or metastasis * Patients who received surgical resection of primary or metastasis * Patients must have a performance status of ≤1 on the ECOG Performance Scale. * Colorectal cancer is the only malignant tumor * Written informed consent must be obtained from patient or patient's legal representative and ability for patient to comply with the requirements of the study Exclusion Criteria: * Patients received adjuvant treatment prior to imageological examination * Tis stage patients * Paitents who diagnosed with malignant disease within 5 years. * Patients with a history or current evidence of any condition or abnormality that might confound the results of the study, interfere with the patient's participation for the full duration of the study, or is not in the best interest of the patient to participate, in the opinion of the Investigator.