{
  "id": 593862,
  "title": "Incorrect Modality label in train.csv",
  "url": "/competitions/rsna-intracranial-aneurysm-detection/discussion/593862",
  "author_name": "Patrick Robitaille",
  "post_date": "2025-07-31T02:18:19.899000",
  "votes": 2,
  "comment_count": 2,
  "views": 0,
  "content": "<p>Hi again,</p>\n<p>I have just spotted one minor error in the <code>train.csv</code> file. Series 1.2.826.0.1.3680043.8.498.77137422924730734252563208450548240425 has a CTA modality in this file; however, when examining the DICOM files, the Modality tag indicates that it is some form of magnetic resonance investigation (MR).</p>\n<p>Could you please revise this series in the <code>train.csv</code> file with the correct modality label.</p>",
  "messages": [
    {
      "id": 3265718,
      "postDate": "2025-08-07T21:38:52.463Z",
      "content": "<p>Thanks for this! We are working on a fix. </p>",
      "rawMarkdown": "Thanks for this! We are working on a fix. ",
      "votes": 1
    },
    {
      "id": 3261651,
      "postDate": "2025-08-01T21:49:47.403Z",
      "content": "<p>python /opt/check_modality_consistency.py /opt/data/train.csv /opt/data/series --workers 20<br>\nComparing: 100%|████████████████████| 4405/4405 [00:02&lt;00:00, 1831.18it/s]</p>\n<p>=== Summary ===<br>\nTotal series checked : 4,405<br>\nMatches             : 4,404<br>\nMismatches          : 1<br>\nMismatch list saved : modality_mismatch.csv</p>\n<p>1.2.826.0.1.3680043.8.498.77137422924730734252563208450548240425,CTA,CT,   ---&gt;MR in dcom file</p>",
      "rawMarkdown": "python /opt/check_modality_consistency.py /opt/data/train.csv /opt/data/series --workers 20\nComparing: 100%|████████████████████| 4405/4405 [00:02<00:00, 1831.18it/s]\n\n=== Summary ===\nTotal series checked : 4,405\nMatches             : 4,404\nMismatches          : 1\nMismatch list saved : modality_mismatch.csv\n \n\n\n1.2.826.0.1.3680043.8.498.77137422924730734252563208450548240425,CTA,CT,   --->MR in dcom file\n\n",
      "votes": 2
    },
    {
      "id": 3258642,
      "postDate": "2025-07-31T02:18:19.900Z",
      "content": "<p>Hi again,</p>\n<p>I have just spotted one minor error in the <code>train.csv</code> file. Series 1.2.826.0.1.3680043.8.498.77137422924730734252563208450548240425 has a CTA modality in this file; however, when examining the DICOM files, the Modality tag indicates that it is some form of magnetic resonance investigation (MR).</p>\n<p>Could you please revise this series in the <code>train.csv</code> file with the correct modality label.</p>",
      "rawMarkdown": "Hi again,\n\nI have just spotted one minor error in the `train.csv` file. Series 1.2.826.0.1.3680043.8.498.77137422924730734252563208450548240425 has a CTA modality in this file; however, when examining the DICOM files, the Modality tag indicates that it is some form of magnetic resonance investigation (MR).\n\nCould you please revise this series in the `train.csv` file with the correct modality label.",
      "votes": 2
    }
  ],
  "comments": [
    {
      "id": 3265718,
      "author_name": "Evan Calabrese",
      "author_url": "",
      "post_date": "2025-08-07T21:38:52.463000",
      "content": "<p>Thanks for this! We are working on a fix. </p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 3261651,
      "author_name": "Anton Sibilev",
      "author_url": "",
      "post_date": "2025-08-01T21:49:47.403000",
      "content": "<p>python /opt/check_modality_consistency.py /opt/data/train.csv /opt/data/series --workers 20<br>\nComparing: 100%|████████████████████| 4405/4405 [00:02&lt;00:00, 1831.18it/s]</p>\n<p>=== Summary ===<br>\nTotal series checked : 4,405<br>\nMatches             : 4,404<br>\nMismatches          : 1<br>\nMismatch list saved : modality_mismatch.csv</p>\n<p>1.2.826.0.1.3680043.8.498.77137422924730734252563208450548240425,CTA,CT,   ---&gt;MR in dcom file</p>",
      "votes": 2,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "3265718": "Thanks for this! We are working on a fix. ",
    "3261651": "python /opt/check_modality_consistency.py /opt/data/train.csv /opt/data/series --workers 20\nComparing: 100%|████████████████████| 4405/4405 [00:02<00:00, 1831.18it/s]\n\n=== Summary ===\nTotal series checked : 4,405\nMatches             : 4,404\nMismatches          : 1\nMismatch list saved : modality_mismatch.csv\n \n\n\n1.2.826.0.1.3680043.8.498.77137422924730734252563208450548240425,CTA,CT,   --->MR in dcom file\n\n",
    "3258642": "Hi again,\n\nI have just spotted one minor error in the `train.csv` file. Series 1.2.826.0.1.3680043.8.498.77137422924730734252563208450548240425 has a CTA modality in this file; however, when examining the DICOM files, the Modality tag indicates that it is some form of magnetic resonance investigation (MR).\n\nCould you please revise this series in the `train.csv` file with the correct modality label."
  }
}