cancer of unknown primary origin

{
  "id": "MLC-T-ONC-001367",
  "term": "cancer of unknown primary origin",
  "field": "Oncology and biomedicine",
  "definition": "A case in which cancer cells are found in the body, but the place where the cells first started growing (the origin or primary site) cannot be determined. Also called carcinoma of unknown primary and CUP.",
  "synonyms": [
    "carcinoma of unknown primary",
    "CUP"
  ],
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/cancer-of-unknown-primary-origin/"
}