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A group of 68 patients/number of infiltrated quadrants versus malignancy.
| Number of quadrants | Malignancy | Total | |
|---|---|---|---|
| No | Yes | ||
| 1 | 11 (33.3%) | 22 (66.7%) | 33 (100%) |
| 2 | 3 (10.7%) | 25 (89.3%) | 28 (100%) |
| 3 or 4 | 0 (0.0%) | 7 (100%) | 7 (100%) |
| Total | 14 (20.6%) | 54 (79.4%) | 68 (100%) |
