| Answer | Not on /Not Applicable | LA4697-4 |
| Answer | NSABP | LA4707-1 |
| Answer | GOG | LA4016-7 |
| Answer | RTOG | LA4303-9 |
| Answer | SWOG | LA4458-1 |
| Answer | ECOG | LA3915-1 |
| Answer | POG | LA4679-2 |
| Answer | CCG | LA4265-0 |
| Answer | CALGB | LA4261-9 |
| Answer | NCI | LA4524-0 |
| Answer | ACS | LA4242-9 |
| Answer | National Protocol, NOS | LA4526-5 |
| Answer | ACOS-OG | LA4250-2 |
| Answer | Unknown | LA4489-6 |
| answers-for | Source of protocol in which patient enrolled Cancer | 21955-0 |
| LONG_COMMON_NAME | en-US | CR_1480_Protocol source |
LOINC Version: 2.77
FHIR