California Cancer Reporting System Standards Volume I: Abstracting and Coding Procedures for Hospitals
Enter the patient’s city of residence.
Keep spaces in names consisting of more than one word, but do not use punctuation (e.g., "LOS ANGELES," "SAN FRANCISCO," "ST PAUL"). A maximum of 50 characters and spaces.
If a patient's usual place of residence at the time of diagnosis was in a foreign country, enter the name of the city in the foreign country.
Enter the word "UNKNOWN" if the city where the patient lived cannot be determined.