Comparison of provisional grades assigned to core biopsies with subsequent grades confirmed by histology
| Grade 1 cores n = 8 | Grade 2 cores n = 60 | Grade 3 cores n = 43 | Not graded n = 42 | |
|---|---|---|---|---|
| Numbers in parentheses are percentages. | ||||
| Resection histology grade | ||||
| Grade 1 | 6 (75) | 6 (10) | 0 | 4 (10) |
| Grade 2 | 2 (25) | 42 (70) | 6 (14) | 25 (60) |
| Grade 3 | 0 | 12 (20) | 37 (86) | 13 (30) |