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--- cancer_types [2025/12/04 15:37] – [Data processing] simone
+++ cancer_types [2025/12/04 15:37] (current) – [Cancer types] simone
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 ======= Cancer types =======
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 At [[1a_questionnaire_1|1A]], [[1b|1B]], [[1c|1C]], [[2a_questionnaire_1|2A]], and [[3a_questionnaire_1|3A]] type of cancer (tumor) was reported by participants in an open text field. From 2A onwards a limited number of cancer types (i.e., colon cancer, lung cancer, skin cancer, brain tumor, bone cancer, breast cancer, and prostate cancer) are also directly assessed via yes/no questions. At [[3b|3B]] only these direct cancer type questions are used, there is no open text field. Researchers from the University Medical Center Groningen coded these [[cancer|self-reported cancer variables]] into 35 cancer type categories. The secondary cancer type variables will be added to the [[https://data-catalogue.lifelines.nl/|Lifelines catalogue]] very soon.
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 | 34         | lymphoma                                                                     | contains the participants that mentioned a term related to lymph node cancer                                                                                                                                  |
 | 35         | other blood cancer                                                           | contains the participants that mentioned a term related to blood cancer that did not fit any of the other categories                                                                                          |
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 ===== Validation =====
 The data processing described above was validated by Cortés-Ibáñez //et al. 2022// on the 1A data.