| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 70 | 50 | CoC |
Name of the city in which the patient resides at the time the reportable tumor was diagnosed. If the patient resides in a rural area, record the name of the city used in the mailing address. If the patient has multiple primaries, the city of residence may be different for each primary.
| UNKNOWN | City at diagnosis unknown |