The 2nd branchial crack cyst to often be located in neck upside, be in mostly hyoid level, the bosom locks up breast dash forward near leading edge of the 1/ 3 on flesh.

• 第二鳃裂囊肿常位于颈上部，大多在舌骨水平，胸锁乳突肌上1/ 3前缘附近。