Data Dictionary: Czech Republic's National Cancer Registry

1. Data related to the patient's health status in relation to his illness

• Personal identification number
• Name and surname
• Permanent residence
• Country of origin
• Foreigner or homeless status

2. Data on the neoplasm

• Date of diagnosis
• Verbal diagnosis and ICD-10 code (International Statistical Classification of Diseases and Related Health Problems, 10th Revision)
• Basis for diagnosis (clinically evident; clinical examination; laboratory examination, markers; cytology; histology of metastasis; histology *of primary tumor; autopsy; DCO - tumor information only on deceased's examination certificate, not in medical documentation)
• Morphology: verbal description, determined by histology/cytology method
• Laterality (right, left, bilateral, omitted, unknown)
• TNM classification: primary tumor extent (T), regional lymph node metastases (N), distant metastases (M)
• pTNM classification: postoperative histopathological classification (pT, pN, number of examined and positive nodes, pM); "y" indicates *examination during or after neoadjuvant treatment; other specific markers listed in TNM classification for selected diagnoses
• Localization of metastases
• Clinical stage
• Extent of disease (localized, advanced, unknown)

3. Identification of the reporting healthcare facility

• ID number, PČZ, PČDP, department
• Reporting workplace: diagnosing neoplasm / treating patient with neoplasm