| attribute | type | cardinality | unique? | required? | doc | examples |
|---|
| container | sample.container | one | | | The container that was initially used to collect this sample (if known), e.g. CPT tube, EDTA tube etc.
Refers to idents in the 'sample.container' namespace | |
| freetext-anatomic-site | string | one | | | The anatomical location from which this sample was collected in free text form | |
| gdc-anatomic-site | gdc-anatomic-site | one | | | The anatomical location from which this sample was collected according to the Genomics Data Commons (GDC) vocabulary | |
| id | string | one | | | The id of the sample. Must be unique within a dataset, but not necessarily within the database | |
| laterality | sample.laterality | one | | | For tumors in paired organs, designates the side on which the specimen was obtained. This attribute
was derived from GDC and refers to entities in the 'sample.laterality' namespace | |
| metastasis | boolean | one | | | Whether this is a sample from a metastasis | |
| recurrence | boolean | one | | | Whether this is a sample from a recurrence | |
| specimen | sample.specimen | one | | | The specimen type for this sample, refers to idents in the 'sample.specimen' namespace | |
| study-day | study-day | one | | | The study day when this sample was collected | |
| subject | subject | one | | | The subject that this sample was derived from | |
| timepoint | timepoint | one | | | The timepoint when this sample was collected | |
| tissue-acquisition-method | sample.tissue-acquisition-method | one | | | The method by which this tissue sample was acquired. This attribute refers to enums in the :sample.tissue-acquisition-method namespace. | |
| tumor-type | string | one | | | The tumor type. This is presently a string, but needs to be moved to an enum | |
| type | sample.type | one | | | The type of this sample (tumor / normal), refers to idents in the 'sample.type' namespace | |
| uid | [[* string]] | one | yes | | Synthetic unique ID for samples | |