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Vertebral bone metastases data (number of ROIs) from the various types of histologically confirmed primary cancers
| Cancer type | No. of patients | No. of ROIs |
| Lung cancer | 7 | 16 |
| Breast cancer | 4 | 7 |
| Gastric cancer | 2 | 6 |
| Colorectal cancer | 2 | 4 |
| Renal cell carcinoma | 2 | 4 |
| Ureter cancer | 1 | 3 |
| Cancer of unknown primary site | 1 | 1 |
| Total | 19 | 41 |
ROI, region of interest.
