Routine staging tests completed, by stage and imaging modality
| Stage | No. (%) of patients who underwent imaging; imaging modality | ||||
|---|---|---|---|---|---|
| BS | CT | MRI | PET | Total | |
| DCIS, n = 1397 | 36 (2.6) | 20 (1.4) | 0 (0) | 0 (0) | 52 (3.7) |
| I, n = 4708 | 661 (14.0) | 207 (4.4) | 0 (0) | 6 (0.1) | 759 (16.1) |
| II, n = 4037 | 1880 (46.6) | 746 (18.5) | 0 (0) | 12 (0.3) | 1961 (51.4) |
BS = bone scanning; CT = computed tomography; DCIS = ductal carcinoma in situ; MRI = magnetic resonance imaging; PET = positron emission tomography.