Method of review of cancers notified by NHSCR and diagnosed between 1971 and 1989
| Method of review | Number (%) |
| Biopsy1-150 | 413 (60) |
| Pathology report1-150 | 68 (10) |
| Postmortem report1-150 | 13 (2) |
| Clinical records only | 128 (19) |
| Information provided by cancer registry | 66 (10) |
| Total | 688 (100) |
↵1-150 With or without other records.