TABLE 2.
Distribution of the left branch of the MCA and AMCA.
| Type | Number | Percentage (%) | |
| The left branch of the MCA and AMCA (total 267) | R1 | 27 | 10.1 |
| R2 | 39 | 14.6 | |
| R3 | 87 | 32.6 | |
| None | 114 | 42.7 |
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