{
  "id": 377300,
  "title": "What does it mean by Cancer Negative?",
  "url": "/competitions/rsna-breast-cancer-detection/discussion/377300",
  "author_name": "TB Dukale",
  "post_date": "2023-01-10T16:48:18.774000",
  "votes": 0,
  "comment_count": 3,
  "views": 0,
  "content": "<p>As i go though cancer negative images i was somewhat surprised to see a lot images being classified as cancer negative but surely are cancer positive.</p>\n<p>what is cancer positive? is it  Calcification, art. distortions or masses?</p>\n<p>The image below has a linear calcification, which is invasive. But was classified as cancer negative. why? (273688221)</p>",
  "messages": [
    {
      "id": 2096569,
      "postDate": "2023-01-12T06:23:31.960Z",
      "content": "<p>I am not an expert in mammography, so please consider this for reference only.</p>\n<p>First of all, there is a difference between cancer and a tumor. A tumor can be benign or malignant, while cancer is limited to malignant disease. Therefore, even if there is a tumor on the image, if it is a benign lesion, it is not cancer.</p>\n<p>I also saw the attached image. I have never interpret a mammogram, so this is just an opinion, but isn't this a finding of calcification of blood vessels? If so, this is a benign finding and does not have to be cancer.</p>",
      "rawMarkdown": "I am not an expert in mammography, so please consider this for reference only.\n\nFirst of all, there is a difference between cancer and a tumor. A tumor can be benign or malignant, while cancer is limited to malignant disease. Therefore, even if there is a tumor on the image, if it is a benign lesion, it is not cancer.\n\nI also saw the attached image. I have never interpret a mammogram, so this is just an opinion, but isn't this a finding of calcification of blood vessels? If so, this is a benign finding and does not have to be cancer.",
      "votes": 3
    },
    {
      "id": 2097382,
      "postDate": "2023-01-12T16:18:05.763Z",
      "content": "<p>Thank u both. I guess i have to read more.<br>\nwill be back on monday! with my first model. <br>\nthank u!</p>",
      "rawMarkdown": "Thank u both. I guess i have to read more.\nwill be back on monday! with my first model. \nthank u!",
      "votes": 1
    },
    {
      "id": 2096559,
      "postDate": "2023-01-12T06:16:29.970Z",
      "content": "<p>most are not specialists in this area.  you can relabel them if you are expert, thus can improve model performance.</p>",
      "rawMarkdown": "most are not specialists in this area.  you can relabel them if you are expert, thus can improve model performance.",
      "votes": 1
    },
    {
      "id": 2094195,
      "postDate": "2023-01-10T16:48:18.773Z",
      "content": "<p>As i go though cancer negative images i was somewhat surprised to see a lot images being classified as cancer negative but surely are cancer positive.</p>\n<p>what is cancer positive? is it  Calcification, art. distortions or masses?</p>\n<p>The image below has a linear calcification, which is invasive. But was classified as cancer negative. why? (273688221)</p>",
      "rawMarkdown": "As i go though cancer negative images i was somewhat surprised to see a lot images being classified as cancer negative but surely are cancer positive.\n\nwhat is cancer positive? is it  Calcification, art. distortions or masses?\n\nThe image below has a linear calcification, which is invasive. But was classified as cancer negative. why? (273688221)\n"
    }
  ],
  "comments": [
    {
      "id": 2096569,
      "author_name": "YYama",
      "author_url": "",
      "post_date": "2023-01-12T06:23:31.960000",
      "content": "<p>I am not an expert in mammography, so please consider this for reference only.</p>\n<p>First of all, there is a difference between cancer and a tumor. A tumor can be benign or malignant, while cancer is limited to malignant disease. Therefore, even if there is a tumor on the image, if it is a benign lesion, it is not cancer.</p>\n<p>I also saw the attached image. I have never interpret a mammogram, so this is just an opinion, but isn't this a finding of calcification of blood vessels? If so, this is a benign finding and does not have to be cancer.</p>",
      "votes": 3,
      "replies": []
    },
    {
      "id": 2097382,
      "author_name": "TB Dukale",
      "author_url": "",
      "post_date": "2023-01-12T16:18:05.763000",
      "content": "<p>Thank u both. I guess i have to read more.<br>\nwill be back on monday! with my first model. <br>\nthank u!</p>",
      "votes": 1,
      "replies": []
    },
    {
      "id": 2096559,
      "author_name": "dragon zhang",
      "author_url": "",
      "post_date": "2023-01-12T06:16:29.970000",
      "content": "<p>most are not specialists in this area.  you can relabel them if you are expert, thus can improve model performance.</p>",
      "votes": 1,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "2096569": "I am not an expert in mammography, so please consider this for reference only.\n\nFirst of all, there is a difference between cancer and a tumor. A tumor can be benign or malignant, while cancer is limited to malignant disease. Therefore, even if there is a tumor on the image, if it is a benign lesion, it is not cancer.\n\nI also saw the attached image. I have never interpret a mammogram, so this is just an opinion, but isn't this a finding of calcification of blood vessels? If so, this is a benign finding and does not have to be cancer.",
    "2097382": "Thank u both. I guess i have to read more.\nwill be back on monday! with my first model. \nthank u!",
    "2096559": "most are not specialists in this area.  you can relabel them if you are expert, thus can improve model performance.",
    "2094195": "As i go though cancer negative images i was somewhat surprised to see a lot images being classified as cancer negative but surely are cancer positive.\n\nwhat is cancer positive? is it  Calcification, art. distortions or masses?\n\nThe image below has a linear calcification, which is invasive. But was classified as cancer negative. why? (273688221)\n"
  }
}