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Results of breast cancer M staging in US and MRI.
| Pathological T staging | US consistent with pathology, n (%) | MRI consistent with pathology, n (%) | US combined with MRI consistent with pathology, n (%) | χ2 value | P-value |
|---|---|---|---|---|---|
| M0 (n=124) | 98 (79.03) | 111 (89.52)a | 114 (91.94)a | 10.200 | 0.006 |
| M1 (n=16) | 9 (56.25) | 14 (87.50)a | 15 (93.75)a | 7.832 | 0.020 |
| Total (n=140) | 107 (76.43) | 125 (89.29)a | 129 (92.14)a | 16.250 | <0.001 |
P<0.05 compared with US in the same M staging.
