| regulate blood flow | 0.61 |
| become narrowed | 0.56 |
| prevent blood | 0.46 |
| separate left ventricle | 0.42 |
| connect the aorta | 0.42 |
| keep blood | 0.35 |
| connect left ventricle | 0.25 |
| become diseased | 0.16 |
| three cusps | 0.70 |
| three leaflets | 0.67 |
| leaflet | 0.35 |
| only two leaflets | 0.33 |
| stenotic | 0.29 |
| replaced | 0.81 |
| claimed in claim | 0.65 |
| closed | 0.42 |
| placed | 0.42 |
| repaired | 0.39 |
| on left side of the hea… | 0.38 |
| removed | 0.38 |
| adapted for delivery | 0.25 |
| damaged | 0.25 |
| affected by a range of … | 0.16 |