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Tumor Characteristics
| Stage | Number of cases |
| Tis/Ta | 2 (7%) |
| T1 | 3 (11%) |
| T2 | 11 (39%) |
| T3 | 8 (29%) |
| T4 | 4 (14%) |
| Number of malignant tumors per case | Number of cases |
| 1 | 24 (86%) |
| 2 | 1 (3.5%) |
| 3 | 2 (7%) |
| 4 | 1 (3.5%) |
| Size | Number of malignant tumors |
| ≤ 1cm | 7 (19%) |
| > 1cm | 20 (56%) |
| NA* | 9 (25%) |
| Configuration | Number of malignant tumors |
| Solid | 19 (53%) |
| Papillary | 8 (22%) |
| Lobulated | 1 (3%) |
| NA* | 8 (22%) |
Not reported
