1·Among these patients there were 3 buccal defect, 5 tongue reconstruction, 1 tongue reconstruction and oropharynx defect, 8 floor of mouth defect.
其中修复颊部缺损3例，舌再造5例，舌再造口咽部缺损1例，口底缺损8例。
2·Buccal have purplish blue stain.
颊部有紫蓝色斑点。