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| After 5 complete rounds of screening | Mammography group | Control group |
|---|---|---|
| Non-invasive |
93 (16%) |
53 (11%) |
| Stage 1 |
296 (51%) |
162 (37%) |
| Stage 2 |
142 (25%) |
172 (39%) |
| Stage 3 |
26 (4%) |
27 (6%) |
| Stage 4 |
22 (4%) |
32 (7%) |
| Given chemotherapy | 26 (5%) | 41 (9%) |
