TABLE 1.
Distribution of the ascending branch of LCA.
| Type | Number | Percentage (%) | |
| LCA (total 267) | L1 | 28 | 10.5 |
| L2 | 37 | 13.9 | |
| L3 | 65 | 24.3 | |
| None | 137 | 51.4 |
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