{
  "table_description": "This table contains metadata about the tabular data, including clinical data, accompanying images that is available in IDC. Think about this table as a dictionary containing information about the columns for all of the tabular data accompanying individual collections in IDC. Each row corresponds to a unique combination of collection, clinical data table that is available for that collection, and a column from that table. Individual tables referenced from this table can be retrieved using idc-index `get_clinical_table()` function.",
  "columns": [
    {
      "name": "collection_id",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "unique identifier of the collection"
    },
    {
      "name": "table_name",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "full name of the table in which the column is stored"
    },
    {
      "name": "short_table_name",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "short name of the table in which the column is stored"
    },
    {
      "name": "column",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": ""
    },
    {
      "name": "column_label",
      "type": "STRING",
      "mode": "NULLABLE",
      "description": "human readable name of the column"
    },
    {
      "name": "values",
      "type": "RECORD",
      "mode": "REPEATED",
      "description": ""
    }
  ]
}