A Pan-cancer Screening and Diagnosis Model Based on Abdominal CT Was Established

Inclusion Criteria:

• Patients with abdominal tumors:

• all patients were pathologically diagnosed with abdominal tumors;

• The clinical case data of all patients were complete, and complete follow-up wasobtained, with clear information on medical visits, operation time and survivalstatus within 2 years. If the cause of death is unknown, it will be recorded ascensored data;

• All patients had no history of active abdominal bleeding, no serious infection orother abdominal diseases that affected the observation of CT imaging within 3 monthsbefore surgery.

• Non-tumor population:

• all patients have complete clinical case data, complete abdominal CT, no history ofmalignant tumors, no serious infections or other abdominal diseases that affect thediagnosis and observation of CT imaging.

Exclusion Criteria:

• Cases in which contrast-enhanced or noncontrast CT images show unclear lesions, withsignificant noise and artifacts;