{
  "table_description": "This table contains one row per DICOM Segmentation SeriesInstanceUID available from IDC, and captures key metadata about the segmentation series including the number of segments, segmentation type, algorithm type and name, and the segmented image series. Note: multi-valued columns (AlgorithmType, AlgorithmName, SegmentedPropertyCategory_CodeMeanings, etc.) are aggregated with DISTINCT independently, so positional correspondence between columns is not preserved. For example, the first value in AlgorithmType does not necessarily pair with the first value in AlgorithmName.",
  "columns": [
    {
      "name": "SeriesInstanceUID",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "DICOM SeriesInstanceUID identifier of the segmentation series"
    },
    {
      "name": "SegmentationType",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "Type of segmentation as defined in DICOM SegmentationType attribute"
    },
    {
      "name": "total_segments",
      "type": "INTEGER",
      "mode": "NULLABLE",
      "description": "Number of segments in the segmentation series obtained by counting distinct DICOM SegmentNumber values in the DICOM SegmentatationSequence"
    },
    {
      "name": "AlgorithmType",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "Segmentation algorithm type as available in DICOM SegmentAlgorithmType"
    },
    {
      "name": "AlgorithmName",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "Segmentation algorithm name as available in DICOM SegmentAlgorithmName"
    },
    {
      "name": "segmented_SeriesInstanceUID",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "SeriesInstanceUID of the referenced image series that the segmentation applies to"
    },
    {
      "name": "SegmentedPropertyCategory_CodeMeanings",
      "type": "STRING",
      "mode": "REPEATED",
      "description": "Array of distinct CodeMeaning values from SegmentedPropertyCategoryCodeSequence across all segments in the series, representing the broad category of the segmented property as defined in DICOM PS3.3 C.8.20.2, e.g., [\"Anatomical Structure\"], [\"Morphologically Altered Structure\"]"
    },
    {
      "name": "SegmentedPropertyType_CodeMeanings",
      "type": "STRING",
      "mode": "REPEATED",
      "description": "Array of distinct CodeMeaning values from SegmentedPropertyTypeCodeSequence across all segments in the series, representing the specific type of the segmented property as defined in DICOM PS3.3 C.8.20.2, e.g., [\"Liver\", \"Kidney\", \"Spleen\"]"
    },
    {
      "name": "AnatomicRegion_CodeMeanings",
      "type": "STRING",
      "mode": "REPEATED",
      "description": "Array of distinct CodeMeaning values from AnatomicRegionSequence across all segments in the series, representing the anatomic location of the segmented structure as defined in DICOM PS3.3 C.8.20.2, e.g., [\"Abdomen\"], [\"Thorax\", \"Head\"]"
    }
  ]
}