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Features of the patients with various tumor variants.
| Variant | Number of patients | Mean age (SD) | % Males | Stages a/1 (%) | CIS (%) | Median follow-up (months) |
|---|---|---|---|---|---|---|
| Micropapillary | 14 | 75.9 ± 8.8 | 93 | 4/10 (40) | 7 (50) | 32 |
| Squamous | 13 | 68.1 ± 12.6 | 92 | 0/13 (0) | 6 (46) | 53 |
| Nested | 7 | 68 ± 12.7 | 71 | 2/5 (40) | 2 (29) | 110 |
| Glandular | 9 | 75.2 ± 5.6 | 89 | 4/5 (80) | 3 (33) | 46 |
| Totala | 41 | 71.9 ± 10.8 | 88 | 10/31 (24) | 19 (46) | 43 |
aTwo patients had more than one type.
