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| RHA length (mm) | RHA midpoint diameter (mm) | |
| Case one: 79-year-old male | 77.36 | 7.54 |
| Case two: 89-year-old male | 113.94 | 7.09 |
| Case three: 90-year-old female | 56.99 | 2.69 |
| Case four: 54-year-old female | 67.22 | 4.07 |
| Mean of Cases 1-4 | 78.88 ± 24.81 | 5.35 ± 2.35 |
