{
  "样例性质": "真实记录·已脱敏",
  "study": {
    "study_instance_uid": "1.2.840.113619.2.476.202500010000000000000000000000000000000001",
    "patient_token": "PTK-0000341",
    "study_date": "2025-12-11",
    "series_count": 7,
    "instance_count": 1034,
    "time_semantic": "study_date_only_not_acquisition"
  },
  "equipment": [
    {
      "station_name": "CT-01",
      "device_serial_number": "CT-01-SN-A",
      "modality": "CT",
      "manufacturer": "GE MEDICAL SYSTEMS",
      "manufacturer_model_name": "Revolution Apex",
      "software_versions": "cadence_ct_25.68",
      "protocol_name": "5.53 Chest-3D",
      "body_part_examined": "CHEST",
      "patient_position": "FFS"
    }
  ],
  "imaging_exam": {
    "modality": "CT",
    "body_part": "CHEST",
    "acquisition_start_time": "2025-12-11T09:41:38.614942",
    "acquisition_end_time": "2025-12-11T09:42:08",
    "time_semantic": "dicom_acquisition_datetime",
    "image_available_time": null,
    "image_available_time_missing_reason": "not_in_source"
  },
  "series": [
    {
      "series_description": "Scout",
      "instance_count": 1,
      "rows": 723,
      "columns": 820,
      "pixel_spacing": "0.636364\\0.646341",
      "slice_thickness": "460.000000",
      "modality": "CT",
      "station_name": "CT-01",
      "kvp": "140",
      "x_ray_tube_current": "120",
      "exposure": "3",
      "exposure_time": "2341",
      "convolution_kernel": "STANDARD",
      "spiral_pitch_factor": null,
      "filter_type": "BODY Cu FILTER",
      "single_collimation_width": "0.625",
      "total_collimation_width": "5.0",
      "data_collection_diameter": "500.000000",
      "reconstruction_diameter": null,
      "rotation_direction": "CW",
      "table_speed": "200.0",
      "generator_power": "16800"
    },
    {
      "series_description": "1mm  Lung HR",
      "instance_count": 256,
      "rows": 512,
      "columns": 512,
      "pixel_spacing": "0.84375\\0.84375",
      "slice_thickness": "1.0",
      "modality": "CT",
      "station_name": "CT-01",
      "kvp": "120",
      "x_ray_tube_current": "173",
      "exposure": "87",
      "exposure_time": "500",
      "convolution_kernel": "LUNG",
      "spiral_pitch_factor": "0.9921875",
      "filter_type": "LARGE FILTER",
      "single_collimation_width": "0.625",
      "total_collimation_width": "80.0",
      "data_collection_diameter": "500.000000",
      "reconstruction_diameter": "432.0",
      "rotation_direction": "CW",
      "table_speed": "158.75",
      "generator_power": "3000"
    },
    {
      "series_description": "CT Body Sag",
      "instance_count": 319,
      "rows": 512,
      "columns": 512,
      "pixel_spacing": "0.84375\\0.84375",
      "slice_thickness": "1.0",
      "modality": "CT",
      "station_name": "CT-01",
      "kvp": "120",
      "x_ray_tube_current": "173",
      "exposure": "87",
      "exposure_time": "500",
      "convolution_kernel": "LUNG",
      "spiral_pitch_factor": "0.9921875",
      "filter_type": "LARGE FILTER",
      "single_collimation_width": "0.625",
      "total_collimation_width": "80.0",
      "data_collection_diameter": "500.000000",
      "reconstruction_diameter": "432.0",
      "rotation_direction": "CW",
      "table_speed": "158.75",
      "generator_power": "3000"
    },
    {
      "series_description": "Dose Report",
      "instance_count": 1,
      "rows": 512,
      "columns": 512,
      "pixel_spacing": null,
      "slice_thickness": null,
      "modality": "CT",
      "station_name": "CT-01",
      "kvp": null,
      "x_ray_tube_current": null,
      "exposure": null,
      "exposure_time": null,
      "convolution_kernel": null,
      "spiral_pitch_factor": null,
      "filter_type": null,
      "single_collimation_width": null,
      "total_collimation_width": null,
      "data_collection_diameter": null,
      "reconstruction_diameter": null,
      "rotation_direction": null,
      "table_speed": null,
      "generator_power": null
    },
    {
      "series_description": "Lung 5mm",
      "instance_count": 72,
      "rows": 512,
      "columns": 512,
      "pixel_spacing": "0.843750\\0.843750",
      "slice_thickness": "5.000000",
      "modality": "CT",
      "station_name": "CT-01",
      "kvp": "120",
      "x_ray_tube_current": "173",
      "exposure": "87",
      "exposure_time": "500",
      "convolution_kernel": "LUNG",
      "spiral_pitch_factor": "0.9921875",
      "filter_type": "LARGE FILTER",
      "single_collimation_width": "0.625",
      "total_collimation_width": "80.0",
      "data_collection_diameter": "500.000000",
      "reconstruction_diameter": "432.000000",
      "rotation_direction": "CW",
      "table_speed": "158.75",
      "generator_power": "3000"
    },
    {
      "series_description": "Chest 5mm",
      "instance_count": 72,
      "rows": 512,
      "columns": 512,
      "pixel_spacing": "0.843750\\0.843750",
      "slice_thickness": "5.000000",
      "modality": "CT",
      "station_name": "CT-01",
      "kvp": "120",
      "x_ray_tube_current": "173",
      "exposure": "87",
      "exposure_time": "500",
      "convolution_kernel": "STANDARD",
      "spiral_pitch_factor": "0.9921875",
      "filter_type": "LARGE FILTER",
      "single_collimation_width": "0.625",
      "total_collimation_width": "80.0",
      "data_collection_diameter": "500.000000",
      "reconstruction_diameter": "432.000000",
      "rotation_direction": "CW",
      "table_speed": "158.75",
      "generator_power": "3000"
    },
    {
      "series_description": "CT Body Cor",
      "instance_count": 313,
      "rows": 512,
      "columns": 512,
      "pixel_spacing": "0.84375\\0.84375",
      "slice_thickness": "1.0",
      "modality": "CT",
      "station_name": "CT-01",
      "kvp": "120",
      "x_ray_tube_current": "173",
      "exposure": "87",
      "exposure_time": "500",
      "convolution_kernel": "LUNG",
      "spiral_pitch_factor": "0.9921875",
      "filter_type": "LARGE FILTER",
      "single_collimation_width": "0.625",
      "total_collimation_width": "80.0",
      "data_collection_diameter": "500.000000",
      "reconstruction_diameter": "432.0",
      "rotation_direction": "CW",
      "table_speed": "158.75",
      "generator_power": "3000"
    }
  ],
  "diagnostic_report": {
    "report_date": "2025-12-21",
    "report_type": "检查",
    "report_time_semantic": "report_date_only"
  },
  "report_version": {
    "findings": "左肺下叶缺如，支气管残端周围见高密度影及条片状软组织密度影。双肺散在结节影，部分为磨玻璃密度，最大者位于右肺下叶背段，直径约0.7cm。左残肺少许条索影。纵隔淋巴结稍增多，未见明显增大。心脏未见增大，心包未见积液。主动脉壁钙化。左侧胸腔少量积液。扫及右乳点状钙化灶。扫及甲状腺右侧叶低密度结节。",
    "impression": "左肺下叶缺如，术区未见确切肿瘤复发征象，与2025.07.14日CT比较未见明显变化。左残肺少许慢性炎症。双肺散在小结节，多系炎性结节，右肺下叶背段磨玻璃结节其他待排，对比前片未见明显变化。主动脉壁钙化。纵隔淋巴结增多。左侧胸腔少量积液，左侧胸膜增厚。扫及右乳点状钙化灶。扫及甲状腺右侧叶低密度结节，请结合专科检查。",
    "author": null,
    "author_missing_reason": "not_in_source",
    "signed_report_time": null,
    "signed_report_time_missing_reason": "not_in_source"
  },
  "pairing_edge": {
    "pair_key_name": "StudyInstanceUID",
    "pair_key_namespace": "DICOM",
    "pair_method": "study_instance_uid_exact",
    "confidence": "verified",
    "pair_status": "verified"
  },
  "quality_issue": [
    {
      "entity_type": "study",
      "issue_code": "burned_in_annotation_tag_missing",
      "observed_value": "1033 objects missing tag; missing is not NO",
      "resolution_status": "open"
    },
    {
      "entity_type": "study",
      "issue_code": "representative_pixel_decode_only",
      "observed_value": "17 selected instances decoded across 7 series; this is not full-pixel verification",
      "resolution_status": "bounded"
    },
    {
      "entity_type": "report_version",
      "issue_code": "report_version_status_author_and_first_available_unknown",
      "observed_value": "not_in_source",
      "resolution_status": "open"
    },
    {
      "entity_type": "pairing_edge",
      "issue_code": "accession_zero_not_pair_key",
      "observed_value": "0",
      "resolution_status": "bounded"
    }
  ]
}