| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | number of primary malignant cancer tumours diagnosed among population aged 19 or older, by cancer type and data source, canada (excluding quebec), 2010 to 2012 |  |  |  |  |
| 3 | primary cancer site | ccr tabulation master file | iarc tabulation master file | cctlp tumour cohort | cctlp tumour cohort coverage |
| 4 |  | number |  |  | percentage |
| 5 | female breast | 52,235 | 51,775 | 50,740 | 97.1 |
| 6 | colon and rectum | 47,555 | 45,990 | 44,970 | 94.6 |
| 7 | prostate | 53,425 | 53,395 | 52,905 | 99.0 |
| 8 | urinary bladder | 15,280 | 15,250 | 14,990 | 98.1 |
| 9 | thyroid | 12,750 | 12,750 | 12,585 | 98.7 |
| 10 | lung and bronchus | 50,110 | 49,830 | 49,135 | 98.1 |
| 11 | total | 231,355 | 228,990 | 225,330 | 97.4 |

Question: what is the percentage of tumours of the same site reported in the ccr tumour file were selected as single primary cancer tumours?
Answer: 0.973958