Requested Canadian Cancer Registry data elements
| Variable | Description |
|---|---|
| Patient variables | |
| Patient record type | Type of record (new, update, delete) |
| Sex | |
| Date of birth | |
| Province or country of birth | |
| Province of diagnosis | |
| Date of death | |
| Underlying cause of death | |
| Autopsy confirming cause of death | Code indicating whether cause of death from official death certificate takes into account autopsy findings |
| Derived patient variables | |
| Vital status | |
| No. of tumours | No. of tumour records belonging to patient record |
| Tumour variables | |
| Tumour reference number | Unique tumour identification number |
| Method of diagnosis | |
| Date of diagnosis | |
| ICD-9 cancer code | |
| Source flag classification | Indicates classification system used to code topography, histology and behaviour of tumour |
| ICD-O-2/3 topography | Site of origin of neoplasm – ICD-O-2/3 coding |
| ICD-O-2 histology | Histological description of neoplasm – ICD-O-2 coding |
| ICD-O-2 behaviour | Behaviour associated with histological description of neoplasm – ICD-O-2 coding |
| Laterality | Site-specific localization of tumour in paired organs or on side of body on which tumour originated (right, left, bilateral) |
| ICD-O-3 topography | Site of origin of neoplasm – ICD-O-3 coding |
| ICD-O-3 histology | Histological description of neoplasm – ICD-O-3 coding |
| ICD-O-3 behaviour | Behaviour associated with histological description of neoplasm – ICD-O-3 coding |
| Grade, differentiation or cell indicator | Describes system used to identify type of grade/differentiation/cell indicator |
| Method used to establish date of diagnosis | Code that specifies method by which date of diagnosis of tumour was established |
| Diagnostic confirmation | Most accurate diagnostic confirmation |
| CS tumour size | Largest dimension/diameter of primary tumour in millimetres |
| CS extension | Primary tumour growth within organ of origin or its direct extension into neighbouring organs |
| CS tumour size/ext-eval | Code indicating how “CS tumour size” and “CS extension” were determined and diagnostic methods used |
| CS lymph nodes | Site-specific code identifying regional lymph nodes involved with cancer at time of diagnosis |
| CS reg nodes eval | Code indicating how “CS lymph nodes” code was determined and diagnostic methods used |
| Regional nodes examined | Total no. of regional lymph nodes that were removed/examined by pathologist |
| Regional nodes positive | Exact no. of regional nodes examined by pathologist and found to contain metastases |
| CS mets at dx | Code identifying distant site(s) of metastatic involvement at time of diagnosis |
| CS mets eval | Code indicating how “CS mets at dx” code was determined and diagnostic methods used |
| AJCC clinical T | Site-specific code evaluating primary tumour clinically (T) and reflecting tumour size and/or extension |
| AJCC clinical N | Site-specific code identifying absence/presence of clinical regional lymph node (N) metastasis; describes extent of regional lymph node metastasis as recorded |
| AJCC clinical M | Site-specific code identifying absence/presence of clinical distant metastasis (M) |
| AJCC pathologic T | Site-specific code evaluating primary tumour pathologically (T) and reflecting tumour size and/or extension |
| AJCC pathologic N | Site-specific code identifying absence/presence of pathological regional lymph node (N) metastasis; describes extent of regional lymph node metastasis as recorded |
| AJCC pathologic M | Site-specific code identifying absence/presence of clinical pathological metastasis (M) |
| AJCC clinical TNM stage group | Site-specific code identifying anatomic extent of disease based on clinical T, N and M elements as recorded in TNM clinical T, N and M fields |
| AJCC pathological TNM stage group | Site-specific code identifying anatomic extent of disease based on pathologic T, N and M elements as recorded in TNM pathologic T, N and M fields |
| AJCC TNM stage group | Site-specific code identifying stage group when clinical/pathologic T, N, M values are incomplete and do not lead to a clinical/pathologic T, N, M group |
| AJCC edition number | Identified edition of cancer staging manual used to stage case |
Note: AJCC = American Joint Committee on Cancer, ICD-9 = International Classification of Diseases, 9th Revision, ICD-O = International Classification of Diseases for Oncology.