| U= 0 for imaging score of 0 |
| U= 1 for imaging score of 1 |
| U= 3 for imaging score of 2-5 |
| M= 1 if premenopausal |
| M= 3 if postmenopausal |
| U= 0 for imaging score of 0 |
| U= 1 for imaging score of 1 |
| U= 3 for imaging score of 2-5 |
| M= 1 if premenopausal |
| M= 3 if postmenopausal |