Table 1.
Number of patients by pathologic grading type
| Group | |||
| A | B | ||
| Van Nuys Grade 1 | 1 | ||
| Grade 1 only | 1 | ||
| Van Nuys Grade 2 | 31 | ||
| Grades 1 and 2 | 8 | ||
| Grade 2 only | 23 | ||
| Van Nuys Grade 3 | 48 | ||
| Grades 2 and 3 | 29 | ||
| Grades 1, 2, 3 | 2 | ||
| Grade 3 only | 17 | ||
| Total by group | 32 | 48 | |
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