California Cancer Reporting System Standards Volume I: Abstracting and Coding Procedures
Enter the dates of "Inpatient Admission and Inpatient Discharge" to the reporting facility for the most definitive surgery.
See Section I.1.6.3 and Section I.1.6.4 for Coding and Entering Dates. Consult with your software vendor for specific data entry instructions.
Use the inpatient admission and discharge dates for any other cancer-directed therapy when the patient does not have surgery.
Use the dates of inpatient admission and discharge for diagnostic evaluation when the patient has not had cancer-directed therapy.